CWE-420
Unprotected Alternate Channel
The product protects a primary channel, but it does not use the same level of protection for an alternate channel.
CVE-2020-8558 (GCVE-0-2020-8558)
Vulnerability from cvelistv5
Published
2020-07-27 19:55
Modified
2024-09-16 22:40
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally thought to be reachable only by other processes on the same host, but due to this defeect, could be reachable by other hosts on the same LAN as the node, or by containers running on the same node as the service.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Kubernetes | Kubernetes |
Version: prior to 1.18.4 Version: prior to 1.17.7 Version: prior to 1.16.11 Version: 1.15 Version: 1.14 Version: 1.13 Version: 1.12 Version: 1.11 Version: 1.10 Version: 1.9 Version: 1.8 Version: 1.7 Version: 1.6 Version: 1.5 Version: 1.4 Version: 1.3 Version: 1.2 Version: 1.1 |
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CVE-2022-25786 (GCVE-0-2022-25786)
Vulnerability from cvelistv5
Published
2022-05-04 17:17
Modified
2024-08-03 04:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
Unprotected Alternate Channel vulnerability in debug console of GateManager allows system administrator to obtain sensitive information. This issue affects: GateManager all versions prior to 9.7.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Secomea | GateManager |
Version: all < 9.7 |
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CVE-2022-28693 (GCVE-0-2022-28693)
Vulnerability from cvelistv5
Published
2025-02-14 20:50
Modified
2025-02-14 20:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information Disclosure
- CWE-420 - Unprotected Alternate Channel
Summary
Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Intel(R) Processors |
Version: See references |
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CVE-2023-0317 (GCVE-0-2023-0317)
Vulnerability from cvelistv5
Published
2023-04-19 11:57
Modified
2025-02-05 15:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
Unprotected Alternate Channel vulnerability in debug console of GateManager allows system administrator to obtain sensitive information.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Secomea | GateManager |
Version: 10.0 < 10.1 |
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CVE-2023-20198 (GCVE-0-2023-20198)
Vulnerability from cvelistv5
Published
2023-10-16 15:12
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issues. The attacker first exploited CVE-2023-20198 to gain initial access and issued a privilege 15 command to create a local user and password combination. This allowed the user to log in with normal user access. The attacker then exploited another component of the web UI feature, leveraging the new local user to elevate privilege to root and write the implant to the file system. Cisco has assigned CVE-2023-20273 to this issue. CVE-2023-20198 has been assigned a CVSS Score of 10.0. CVE-2023-20273 has been assigned a CVSS Score of 7.2. Both of these CVEs are being tracked by CSCwh87343.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Version: 16.1.1 Version: 16.1.2 Version: 16.1.3 Version: 16.2.1 Version: 16.2.2 Version: 16.3.1 Version: 16.3.2 Version: 16.3.3 Version: 16.3.1a Version: 16.3.4 Version: 16.3.5 Version: 16.3.5b Version: 16.3.6 Version: 16.3.7 Version: 16.3.8 Version: 16.3.9 Version: 16.3.10 Version: 16.3.11 Version: 16.4.1 Version: 16.4.2 Version: 16.4.3 Version: 16.5.1 Version: 16.5.1a Version: 16.5.1b Version: 16.5.2 Version: 16.5.3 Version: 16.6.1 Version: 16.6.2 Version: 16.6.3 Version: 16.6.4 Version: 16.6.5 Version: 16.6.4a Version: 16.6.5a Version: 16.6.6 Version: 16.6.7 Version: 16.6.8 Version: 16.6.9 Version: 16.6.10 Version: 16.7.1 Version: 16.7.1a Version: 16.7.1b Version: 16.7.2 Version: 16.7.3 Version: 16.7.4 Version: 16.8.1 Version: 16.8.1a Version: 16.8.1b Version: 16.8.1s Version: 16.8.1c Version: 16.8.1d Version: 16.8.2 Version: 16.8.1e Version: 16.8.3 Version: 16.9.1 Version: 16.9.2 Version: 16.9.1a Version: 16.9.1b Version: 16.9.1s Version: 16.9.3 Version: 16.9.4 Version: 16.9.3a Version: 16.9.5 Version: 16.9.5f Version: 16.9.6 Version: 16.9.7 Version: 16.9.8 Version: 16.10.1 Version: 16.10.1a Version: 16.10.1b Version: 16.10.1s Version: 16.10.1c Version: 16.10.1e Version: 16.10.1d Version: 16.10.2 Version: 16.10.1f Version: 16.10.1g Version: 16.10.3 Version: 16.11.1 Version: 16.11.1a Version: 16.11.1b Version: 16.11.2 Version: 16.11.1s Version: 16.12.1 Version: 16.12.1s Version: 16.12.1a Version: 16.12.1c Version: 16.12.1w Version: 16.12.2 Version: 16.12.1y Version: 16.12.2a Version: 16.12.3 Version: 16.12.8 Version: 16.12.2s Version: 16.12.1x Version: 16.12.1t Version: 16.12.4 Version: 16.12.3s Version: 16.12.3a Version: 16.12.4a Version: 16.12.5 Version: 16.12.6 Version: 16.12.1z1 Version: 16.12.5a Version: 16.12.5b Version: 16.12.1z2 Version: 16.12.6a Version: 16.12.7 Version: 16.12.9 Version: 16.12.10 Version: 17.1.1 Version: 17.1.1a Version: 17.1.1s Version: 17.1.1t Version: 17.1.3 Version: 17.2.1 Version: 17.2.1r Version: 17.2.1a Version: 17.2.1v Version: 17.2.2 Version: 17.2.3 Version: 17.3.1 Version: 17.3.2 Version: 17.3.3 Version: 17.3.1a Version: 17.3.1w Version: 17.3.2a Version: 17.3.1x Version: 17.3.1z Version: 17.3.4 Version: 17.3.5 Version: 17.3.4a Version: 17.3.6 Version: 17.3.4b Version: 17.3.4c Version: 17.3.5a Version: 17.3.5b Version: 17.3.7 Version: 17.3.8 Version: 17.4.1 Version: 17.4.2 Version: 17.4.1a Version: 17.4.1b Version: 17.4.2a Version: 17.5.1 Version: 17.5.1a Version: 17.5.1b Version: 17.5.1c Version: 17.6.1 Version: 17.6.2 Version: 17.6.1w Version: 17.6.1a Version: 17.6.1x Version: 17.6.3 Version: 17.6.1y Version: 17.6.1z Version: 17.6.3a Version: 17.6.4 Version: 17.6.1z1 Version: 17.6.5 Version: 17.6.6 Version: 17.7.1 Version: 17.7.1a Version: 17.7.1b Version: 17.7.2 Version: 17.10.1 Version: 17.10.1a Version: 17.10.1b Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.1w Version: 17.9.2 Version: 17.9.1a Version: 17.9.1x Version: 17.9.1y Version: 17.9.3 Version: 17.9.2a Version: 17.9.1x1 Version: 17.9.3a Version: 17.9.4 Version: 17.9.1y1 Version: 17.11.1 Version: 17.11.1a Version: 17.12.1 Version: 17.12.1a Version: 17.11.99SW |
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CVE-2023-28840 (GCVE-0-2023-28840)
Vulnerability from cvelistv5
Published
2023-04-04 21:13
Modified
2025-02-13 16:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Moby is an open source container framework developed by Docker Inc. that is distributed as Docker, Mirantis Container Runtime, and various other downstream projects/products. The Moby daemon component (`dockerd`), which is developed as moby/moby, is commonly referred to as *Docker*.
Swarm Mode, which is compiled in and delivered by default in dockerd and is thus present in most major Moby downstreams, is a simple, built-in container orchestrator that is implemented through a combination of SwarmKit and supporting network code.
The overlay network driver is a core feature of Swarm Mode, providing isolated virtual LANs that allow communication between containers and services across the cluster. This driver is an implementation/user of VXLAN, which encapsulates link-layer (Ethernet) frames in UDP datagrams that tag the frame with a VXLAN Network ID (VNI) that identifies the originating overlay network. In addition, the overlay network driver supports an optional, off-by-default encrypted mode, which is especially useful when VXLAN packets traverses an untrusted network between nodes.
Encrypted overlay networks function by encapsulating the VXLAN datagrams through the use of the IPsec Encapsulating Security Payload protocol in Transport mode. By deploying IPSec encapsulation, encrypted overlay networks gain the additional properties of source authentication through cryptographic proof, data integrity through check-summing, and confidentiality through encryption.
When setting an endpoint up on an encrypted overlay network, Moby installs three iptables (Linux kernel firewall) rules that enforce both incoming and outgoing IPSec. These rules rely on the u32 iptables extension provided by the xt_u32 kernel module to directly filter on a VXLAN packet's VNI field, so that IPSec guarantees can be enforced on encrypted overlay networks without interfering with other overlay networks or other users of VXLAN.
Two iptables rules serve to filter incoming VXLAN datagrams with a VNI that corresponds to an encrypted network and discards unencrypted datagrams. The rules are appended to the end of the INPUT filter chain, following any rules that have been previously set by the system administrator. Administrator-set rules take precedence over the rules Moby sets to discard unencrypted VXLAN datagrams, which can potentially admit unencrypted datagrams that should have been discarded.
The injection of arbitrary Ethernet frames can enable a Denial of Service attack. A sophisticated attacker may be able to establish a UDP or TCP connection by way of the container’s outbound gateway that would otherwise be blocked by a stateful firewall, or carry out other escalations beyond simple injection by smuggling packets into the overlay network.
Patches are available in Moby releases 23.0.3 and 20.10.24. As Mirantis Container Runtime's 20.10 releases are numbered differently, users of that platform should update to 20.10.16.
Some workarounds are available. Close the VXLAN port (by default, UDP port 4789) to incoming traffic at the Internet boundary to prevent all VXLAN packet injection, and/or ensure that the `xt_u32` kernel module is available on all nodes of the Swarm cluster.
References
Impacted products
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CVE-2023-28842 (GCVE-0-2023-28842)
Vulnerability from cvelistv5
Published
2023-04-04 21:07
Modified
2025-02-13 16:48
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Moby) is an open source container framework developed by Docker Inc. that is distributed as Docker, Mirantis Container Runtime, and various other downstream projects/products. The Moby daemon component (`dockerd`), which is developed as moby/moby is commonly referred to as *Docker*.
Swarm Mode, which is compiled in and delivered by default in `dockerd` and is thus present in most major Moby downstreams, is a simple, built-in container orchestrator that is implemented through a combination of SwarmKit and supporting network code.
The `overlay` network driver is a core feature of Swarm Mode, providing isolated virtual LANs that allow communication between containers and services across the cluster. This driver is an implementation/user of VXLAN, which encapsulates link-layer (Ethernet) frames in UDP datagrams that tag the frame with the VXLAN metadata, including a VXLAN Network ID (VNI) that identifies the originating overlay network. In addition, the overlay network driver supports an optional, off-by-default encrypted mode, which is especially useful when VXLAN packets traverses an untrusted network between nodes.
Encrypted overlay networks function by encapsulating the VXLAN datagrams through the use of the IPsec Encapsulating Security Payload protocol in Transport mode. By deploying IPSec encapsulation, encrypted overlay networks gain the additional properties of source authentication through cryptographic proof, data integrity through check-summing, and confidentiality through encryption.
When setting an endpoint up on an encrypted overlay network, Moby installs three iptables (Linux kernel firewall) rules that enforce both incoming and outgoing IPSec. These rules rely on the `u32` iptables extension provided by the `xt_u32` kernel module to directly filter on a VXLAN packet's VNI field, so that IPSec guarantees can be enforced on encrypted overlay networks without interfering with other overlay networks or other users of VXLAN.
The `overlay` driver dynamically and lazily defines the kernel configuration for the VXLAN network on each node as containers are attached and detached. Routes and encryption parameters are only defined for destination nodes that participate in the network. The iptables rules that prevent encrypted overlay networks from accepting unencrypted packets are not created until a peer is available with which to communicate.
Encrypted overlay networks silently accept cleartext VXLAN datagrams that are tagged with the VNI of an encrypted overlay network. As a result, it is possible to inject arbitrary Ethernet frames into the encrypted overlay network by encapsulating them in VXLAN datagrams. The implications of this can be quite dire, and GHSA-vwm3-crmr-xfxw should be referenced for a deeper exploration.
Patches are available in Moby releases 23.0.3, and 20.10.24. As Mirantis Container Runtime's 20.10 releases are numbered differently, users of that platform should update to 20.10.16.
Some workarounds are available. In multi-node clusters, deploy a global ‘pause’ container for each encrypted overlay network, on every node. For a single-node cluster, do not use overlay networks of any sort. Bridge networks provide the same connectivity on a single node and have no multi-node features. The Swarm ingress feature is implemented using an overlay network, but can be disabled by publishing ports in `host` mode instead of `ingress` mode (allowing the use of an external load balancer), and removing the `ingress` network. If encrypted overlay networks are in exclusive use, block UDP port 4789 from traffic that has not been validated by IPSec.
References
| ► | URL | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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"value": "Moby) is an open source container framework developed by Docker Inc. that is distributed as Docker, Mirantis Container Runtime, and various other downstream projects/products. The Moby daemon component (`dockerd`), which is developed as moby/moby is commonly referred to as *Docker*.\n\nSwarm Mode, which is compiled in and delivered by default in `dockerd` and is thus present in most major Moby downstreams, is a simple, built-in container orchestrator that is implemented through a combination of SwarmKit and supporting network code.\n\nThe `overlay` network driver is a core feature of Swarm Mode, providing isolated virtual LANs that allow communication between containers and services across the cluster. This driver is an implementation/user of VXLAN, which encapsulates link-layer (Ethernet) frames in UDP datagrams that tag the frame with the VXLAN metadata, including a VXLAN Network ID (VNI) that identifies the originating overlay network. In addition, the overlay network driver supports an optional, off-by-default encrypted mode, which is especially useful when VXLAN packets traverses an untrusted network between nodes.\n\nEncrypted overlay networks function by encapsulating the VXLAN datagrams through the use of the IPsec Encapsulating Security Payload protocol in Transport mode. By deploying IPSec encapsulation, encrypted overlay networks gain the additional properties of source authentication through cryptographic proof, data integrity through check-summing, and confidentiality through encryption.\n\nWhen setting an endpoint up on an encrypted overlay network, Moby installs three iptables (Linux kernel firewall) rules that enforce both incoming and outgoing IPSec. These rules rely on the `u32` iptables extension provided by the `xt_u32` kernel module to directly filter on a VXLAN packet\u0027s VNI field, so that IPSec guarantees can be enforced on encrypted overlay networks without interfering with other overlay networks or other users of VXLAN.\n\nThe `overlay` driver dynamically and lazily defines the kernel configuration for the VXLAN network on each node as containers are attached and detached. Routes and encryption parameters are only defined for destination nodes that participate in the network. The iptables rules that prevent encrypted overlay networks from accepting unencrypted packets are not created until a peer is available with which to communicate.\n\nEncrypted overlay networks silently accept cleartext VXLAN datagrams that are tagged with the VNI of an encrypted overlay network. As a result, it is possible to inject arbitrary Ethernet frames into the encrypted overlay network by encapsulating them in VXLAN datagrams. The implications of this can be quite dire, and GHSA-vwm3-crmr-xfxw should be referenced for a deeper exploration.\n\nPatches are available in Moby releases 23.0.3, and 20.10.24. As Mirantis Container Runtime\u0027s 20.10 releases are numbered differently, users of that platform should update to 20.10.16.\n\nSome workarounds are available. In multi-node clusters, deploy a global \u2018pause\u2019 container for each encrypted overlay network, on every node. For a single-node cluster, do not use overlay networks of any sort. Bridge networks provide the same connectivity on a single node and have no multi-node features. The Swarm ingress feature is implemented using an overlay network, but can be disabled by publishing ports in `host` mode instead of `ingress` mode (allowing the use of an external load balancer), and removing the `ingress` network. If encrypted overlay networks are in exclusive use, block UDP port 4789 from traffic that has not been validated by IPSec."
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CVE-2023-30946 (GCVE-0-2023-30946)
Vulnerability from cvelistv5
Published
2023-06-29 18:49
Modified
2024-10-28 13:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A security defect was identified in Foundry Issues. If a user was added to an issue on a resource that they did not have access to and consequently could not see, they could query Foundry's Notification API and receive metadata about the issue including the RID of the issue, severity, internal UUID of the author, and the user-defined title of the issue.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Palantir | com.palantir.issues:issues |
Version: * ≤ |
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CVE-2023-31241 (GCVE-0-2023-31241)
Vulnerability from cvelistv5
Published
2023-05-22 19:26
Modified
2025-01-16 21:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
Snap One OvrC cloud servers contain a route an attacker can use to bypass requirements and claim devices outright.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Snap One | OvrC Cloud |
Version: 0 < 7.3 |
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CVE-2023-4570 (GCVE-0-2023-4570)
Vulnerability from cvelistv5
Published
2023-10-05 15:26
Modified
2024-09-19 18:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-420 - Unprotected Alternate Channel
Summary
An improper access restriction in NI MeasurementLink Python services could allow an attacker on an adjacent network to reach services exposed on localhost. These services were previously thought to be unreachable outside of the node. This affects measurement plug-ins written in Python using version 1.1.0 of the ni-measurementlink-service Python package and all previous versions.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NI | MeasurementLink |
Version: 1.0.0 |
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Mitigation
Phase: Architecture and Design
Description:
- Identify all alternate channels and use the same protection mechanisms that are used for the primary channels.
No CAPEC attack patterns related to this CWE.