CWE-303
Incorrect Implementation of Authentication Algorithm
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
CVE-2016-9463 (GCVE-0-2016-9463)
Vulnerability from cvelistv5
Published
2017-03-28 02:46
Modified
2024-08-06 02:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithms ()
Summary
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 suffer from SMB User Authentication Bypass. Nextcloud/ownCloud include an optional and not by default enabled SMB authentication component that allows authenticating users against an SMB server. This backend is implemented in a way that tries to connect to a SMB server and if that succeeded consider the user logged-in. The backend did not properly take into account SMB servers that have any kind of anonymous auth configured. This is the default on SMB servers nowadays and allows an unauthenticated attacker to gain access to an account without valid credentials. Note: The SMB backend is disabled by default and requires manual configuration in the Nextcloud/ownCloud config file. If you have not configured the SMB backend then you're not affected by this vulnerability.
References
| ► | URL | Tags |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 |
Version: Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 |
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CVE-2018-4841 (GCVE-0-2018-4841)
Vulnerability from cvelistv5
Published
2018-03-29 13:00
Modified
2024-09-17 03:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
A vulnerability has been identified in TIM 1531 IRC (All versions < V1.1). A remote attacker with network access to port 80/tcp or port 443/tcp could perform administrative operations on the device without prior authentication. Successful exploitation could allow to cause a denial-of-service, or read and manipulate data as well as configuration settings of the affected device. At the stage of publishing this security advisory no public exploitation is known. Siemens provides mitigations to resolve it.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Siemens AG | TIM 1531 IRC |
Version: All versions < V1.1 |
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CVE-2020-15632 (GCVE-0-2020-15632)
Vulnerability from cvelistv5
Published
2020-07-23 20:45
Modified
2024-08-04 13:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting requests. The issue results from the lack of proper handling of sessions. An attacker can leverage this vulnerability to execute arbitrary code in the context of the device. Was ZDI-CAN-10083.
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2020-5268 (GCVE-0-2020-5268)
Vulnerability from cvelistv5
Published
2020-04-21 15:30
Modified
2024-08-04 08:22
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
In Saml2 Authentication Services for ASP.NET versions before 1.0.2, and between 2.0.0 and 2.6.0, there is a vulnerability in how tokens are validated in some cases. Saml2 tokens are usually used as bearer tokens - a caller that presents a token is assumed to be the subject of the token. There is also support in the Saml2 protocol for issuing tokens that is tied to a subject through other means, e.g. holder-of-key where possession of a private key must be proved. The Sustainsys.Saml2 library incorrectly treats all incoming tokens as bearer tokens, even though they have another subject confirmation method specified. This could be used by an attacker that could get access to Saml2 tokens with another subject confirmation method than bearer. The attacker could then use such a token to create a log in session. This vulnerability is patched in versions 1.0.2 and 2.7.0.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Sustainsys | Saml2 |
Version: < 1.0.2 Version: >= 2.0.0, <= 2.6.0 |
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CVE-2020-8861 (GCVE-0-2020-8861)
Vulnerability from cvelistv5
Published
2020-02-22 00:00
Modified
2024-08-04 10:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of cookies. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9554.
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2020-8863 (GCVE-0-2020-8863)
Vulnerability from cvelistv5
Published
2020-03-23 20:25
Modified
2024-08-04 10:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| D-Link | Multiple Routers |
Version: 1.10B04 |
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CVE-2021-21378 (GCVE-0-2021-21378)
Vulnerability from cvelistv5
Published
2021-03-11 02:40
Modified
2024-08-03 18:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Envoy is a cloud-native high-performance edge/middle/service proxy. In Envoy version 1.17.0 an attacker can bypass authentication by presenting a JWT token with an issuer that is not in the provider list when Envoy's JWT Authentication filter is configured with the `allow_missing` requirement under `requires_any` due to a mistake in implementation. Envoy's JWT Authentication filter can be configured with the `allow_missing` requirement that will be satisfied if JWT is missing (JwtMissed error) and fail if JWT is presented or invalid. Due to a mistake in implementation, a JwtUnknownIssuer error was mistakenly converted to JwtMissed when `requires_any` was configured. So if `allow_missing` was configured under `requires_any`, an attacker can bypass authentication by presenting a JWT token with an issuer that is not in the provider list. Integrity may be impacted depending on configuration if the JWT token is used to protect against writes or modifications. This regression was introduced on 2020/11/12 in PR 13839 which fixed handling `allow_missing` under RequiresAny in a JwtRequirement (see issue 13458). The AnyVerifier aggregates the children verifiers' results into a final status where JwtMissing is the default error. However, a JwtUnknownIssuer was mistakenly treated the same as a JwtMissing error and the resulting final aggregation was the default JwtMissing. As a result, `allow_missing` would allow a JWT token with an unknown issuer status. This is fixed in version 1.17.1 by PR 15194. The fix works by preferring JwtUnknownIssuer over a JwtMissing error, fixing the accidental conversion and bypass with `allow_missing`. A user could detect whether a bypass occurred if they have Envoy logs enabled with debug verbosity. Users can enable component level debug logs for JWT. The JWT filter logs will indicate that there is a request with a JWT token and a failure that the JWT token is missing.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| envoyproxy | envoy |
Version: = 1.17.0 |
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CVE-2021-21902 (GCVE-0-2021-21902)
Vulnerability from cvelistv5
Published
2021-12-22 18:06
Modified
2024-08-03 18:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detectors iC Module CMA Version 5.0. A properly-timed network connection can lead to authentication bypass via session hijacking. An attacker can send a sequence of requests to trigger this vulnerability.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Garrett Metal Detectors |
Version: Garrett Metal Detectors iC Module CMA Version 5.0 |
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CVE-2021-32691 (GCVE-0-2021-32691)
Vulnerability from cvelistv5
Published
2021-06-16 21:45
Modified
2024-08-03 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app functionality within the app, as well as any authenticated links to Rock-based webpages (such as giving and events). There is a patch in version 2.20.0. As a workaround, one can patch one's server by overriding the `create` data source method on the `People` class.
References
| ► | URL | Tags |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ApollosProject | apollos-apps |
Version: < 2.20.0 |
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CVE-2022-20695 (GCVE-0-2022-20695)
Vulnerability from cvelistv5
Published
2022-04-15 14:15
Modified
2024-11-06 16:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Version: n/a |
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No mitigation information available for this CWE.
CAPEC-90: Reflection Attack in Authentication Protocol
An adversary can abuse an authentication protocol susceptible to reflection attack in order to defeat it. Doing so allows the adversary illegitimate access to the target system, without possessing the requisite credentials. Reflection attacks are of great concern to authentication protocols that rely on a challenge-handshake or similar mechanism. An adversary can impersonate a legitimate user and can gain illegitimate access to the system by successfully mounting a reflection attack during authentication.