CWE-456
Missing Initialization of a Variable
The product does not initialize critical variables, which causes the execution environment to use unexpected values.
CVE-2018-14641 (GCVE-0-2018-14641)
Vulnerability from cvelistv5
Published
2018-09-18 13:00
Modified
2024-08-05 09:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A security flaw was found in the ip_frag_reasm() function in net/ipv4/ip_fragment.c in the Linux kernel from 4.19-rc1 to 4.19-rc3 inclusive, which can cause a later system crash in ip_do_fragment(). With certain non-default, but non-rare, configuration of a victim host, an attacker can trigger this crash remotely, thus leading to a remote denial-of-service.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| The Linux Foundation | kernel |
Version: from 4.19-rc1 to 4.19-rc3 inclusive |
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CVE-2019-3836 (GCVE-0-2019-3836)
Vulnerability from cvelistv5
Published
2019-04-01 14:16
Modified
2024-08-04 19:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
It was discovered in gnutls before version 3.6.7 upstream that there is an uninitialized pointer access in gnutls versions 3.6.3 or later which can be triggered by certain post-handshake messages.
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CVE-2021-34703 (GCVE-0-2021-34703)
Vulnerability from cvelistv5
Published
2021-09-23 02:25
Modified
2024-11-07 21:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improper initialization of a buffer. An attacker could exploit this vulnerability via any of the following methods: An authenticated, remote attacker could access the LLDP neighbor table via either the CLI or SNMP while the device is in a specific state. An unauthenticated, adjacent attacker could corrupt the LLDP neighbor table by injecting specific LLDP frames into the network and then waiting for an administrator of the device or a network management system (NMS) managing the device to retrieve the LLDP neighbor table of the device via either the CLI or SNMP. An authenticated, adjacent attacker with SNMP read-only credentials or low privileges on the device CLI could corrupt the LLDP neighbor table by injecting specific LLDP frames into the network and then accessing the LLDP neighbor table via either the CLI or SNMP. A successful exploit could allow the attacker to cause the affected device to crash, resulting in a reload of the device.
References
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CVE-2021-40403 (GCVE-0-2021-40403)
Vulnerability from cvelistv5
Published
2022-02-04 00:00
Modified
2025-04-15 19:11
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-456 - Missing Initialization of a Variable
Summary
An information disclosure vulnerability exists in the pick-and-place rotation parsing functionality of Gerbv 2.7.0 and dev (commit b5f1eacd), and Gerbv forked 2.8.0. A specially-crafted pick-and-place file can exploit the missing initialization of a structure to leak memory contents. An attacker can provide a malicious file to trigger this vulnerability.
References
Impacted products
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CVE-2023-20226 (GCVE-0-2023-20226)
Vulnerability from cvelistv5
Published
2023-09-27 17:21
Modified
2024-08-02 09:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-456 - Missing Initialization of a Variable
Summary
A vulnerability in Application Quality of Experience (AppQoE) and Unified Threat Defense (UTD) on Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.
This vulnerability is due to the mishandling of a crafted packet stream through the AppQoE or UTD application. An attacker could exploit this vulnerability by sending a crafted packet stream through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Version: 17.7.1 Version: 17.7.1a Version: 17.7.2 Version: 17.10.1 Version: 17.10.1a Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.2 Version: 17.9.1a Version: 17.9.2a |
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CVE-2024-32878 (GCVE-0-2024-32878)
Vulnerability from cvelistv5
Published
2024-04-26 20:31
Modified
2024-08-02 02:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-456 - Missing Initialization of a Variable
Summary
Llama.cpp is LLM inference in C/C++. There is a use of uninitialized heap variable vulnerability in gguf_init_from_file, the code will free this uninitialized variable later. In a simple POC, it will directly cause a crash. If the file is carefully constructed, it may be possible to control this uninitialized value and cause arbitrary address free problems. This may further lead to be exploited. Causes llama.cpp to crash (DoS) and may even lead to arbitrary code execution (RCE). This vulnerability has been patched in commit b2740.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-54131 (GCVE-0-2024-54131)
Vulnerability from cvelistv5
Published
2024-12-03 20:26
Modified
2024-12-03 21:59
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The Kolide Agent (aka: Launcher) is the lightweight agent designed to work with Kolide's service. An implementation bug in the Kolide Agent (known as `launcher`) allows for local privilege escalation to the SYSTEM user on Windows 10 and 11. The bug was introduced in version 1.5.3 when launcher started storing upgraded binaries in the ProgramData directory. This move to the new directory meant the launcher root directory inherited default permissions that are not as strict as the previous location. These incorrect default permissions in conjunction with an omitted SystemDrive environmental variable (when launcher starts osqueryd), allows a malicious actor with access to the local Windows device to successfully place an arbitrary DLL into the osqueryd process's search path. Under some circumstances, this DLL will be executed when osqueryd performs a WMI query. This combination of events could then allow the attacker to escalate their privileges to SYSTEM. Impacted versions include versions >= 1.5.3 and the fix has been released in 1.12.3.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
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"url": "https://github.com/kolide/launcher/security/advisories/GHSA-66q9-2rvx-qfj5"
},
{
"name": "https://github.com/kolide/launcher/pull/1510",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/kolide/launcher/pull/1510"
}
],
"source": {
"advisory": "GHSA-66q9-2rvx-qfj5",
"discovery": "UNKNOWN"
},
"title": "Kolide Agent Privilege Escalation (Windows, Versions \u003e= 1.5.3, \u003c 1.12.3)"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-54131",
"datePublished": "2024-12-03T20:26:00.413Z",
"dateReserved": "2024-11-29T18:02:16.754Z",
"dateUpdated": "2024-12-03T21:59:03.677Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2024-9780 (GCVE-0-2024-9780)
Vulnerability from cvelistv5
Published
2024-10-10 06:30
Modified
2024-10-10 14:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-456 - Missing Initialization of a Variable
Summary
ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture file
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wireshark Foundation | Wireshark |
Version: 4.4.0 ≤ |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "wireshark",
"vendor": "wireshark",
"versions": [
{
"lessThan": "4.4.1",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-9780",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-10T14:39:03.134487Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-10-10T14:39:44.522Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Wireshark",
"vendor": "Wireshark Foundation",
"versions": [
{
"lessThan": "4.4.1",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture file"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-456",
"description": "CWE-456: Missing Initialization of a Variable",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-10-10T06:30:49.710Z",
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab"
},
"references": [
{
"url": "https://www.wireshark.org/security/wnpa-sec-2024-12.html"
},
{
"name": "GitLab Issue #20026",
"tags": [
"issue-tracking",
"permissions-required"
],
"url": "https://gitlab.com/wireshark/wireshark/-/issues/20026"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to version 4.4.1 or above."
}
],
"title": "Missing Initialization of a Variable in Wireshark"
}
},
"cveMetadata": {
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"cveId": "CVE-2024-9780",
"datePublished": "2024-10-10T06:30:49.710Z",
"dateReserved": "2024-10-10T06:30:39.935Z",
"dateUpdated": "2024-10-10T14:39:44.522Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Phase: Implementation
Description:
- Check that critical variables are initialized.
Mitigation
Phase: Testing
Description:
- Use a static analysis tool to spot non-initialized variables.
No CAPEC attack patterns related to this CWE.