RHEL 5 : perl-dbd-mysql (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - perl-DBD-MySQL: Use-after-free when calling mysqlstmterror after mysqlstmtclose CVE-2017-10788 - Buffer...

Improper Authentication in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

GHSA-X637-X8P3-5P22 Improper Authentication in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-22258

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

CVE-2024-22258

CVE-2024-22258 affects Spring Authorization Server versions 1.0.0–1.0.5, 1.1.0–1.1.5, and 1.2.0–1.2.2 (and older unsupported) where confidential clients using PKCE with the Authorization Code Grant can be downgraded, potentially bypassing security restrictions. Public Clients using PKCE are not v...

PKCE Downgrade in Spring Authorization Server

Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...

PUB-A-314778564

In TBD of TBD, there is a possible Downgrade attack due to a missing null check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

PUB-A-308405635

In TBD of TBD, there is a possible cryptographic downgrade attack due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

SUSE-SU-2024:0539-1 Security update for libssh

This update for libssh fixes the following issues: Update to version 0.9.8 jscPED-7719: Fix CVE-2023-6004: Command injection using proxycommand bsc1218209 Fix CVE-2023-48795: Potential downgrade attack using strict kex bsc1218126 Fix CVE-2023-6918: Missing checks for return values of MD functions...

SUSE-SU-2024:0525-1 Security update for libssh

This update for libssh fixes the following issues: Update to version 0.9.8 jscPED-7719: Fix CVE-2023-6004: Command injection using proxycommand bsc1218209 Fix CVE-2023-48795: Potential downgrade attack using strict kex bsc1218126 Fix CVE-2023-6918: Missing checks for return values of MD functions...

GHSA-MRX3-GXJX-HJQJ Authentik vulnerable to PKCE downgrade attack

Summary PKCE is a very important countermeasure in OAuth2 , both for public and confidential clients. It protects against CSRF attacks and code injection attacks. Because of this bug, an attacker can circumvent the protection PKCE offers. Patches authentik 2023.8.7 and 2023.10.7 fix this issue...

Authentik vulnerable to PKCE downgrade attack

Summary PKCE is a very important countermeasure in OAuth2 , both for public and confidential clients. It protects against CSRF attacks and code injection attacks. Because of this bug, an attacker can circumvent the protection PKCE offers. Patches authentik 2023.8.7 and 2023.10.7 fix this issue...

SUSE-SU-2024:0140-1 Security update for libssh

This update for libssh fixes the following issues: Security fixes: - CVE-2023-6004: Fixed command injection using proxycommand bsc1218209 - CVE-2023-48795: Fixed potential downgrade attack using strict kex bsc1218126 - CVE-2023-6918: Fixed missing checks for return values of MD functions bsc12181...

Fedora 39 : golang-x-crypto (2024-7b08207cdb)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-7b08207cdb advisory. Update golang-x-crypto to v0.18.0, fix for CVE-2023-48795 Tenable has extracted the preceding description block directly from the Fedora security...

K000138264: SSH vulnerability CVE-2023-48795

Security Advisory Description The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may...

New Terrapin Flaw Could Let Attackers Downgrade SSH Protocol Security

Security researchers from Ruhr University Bochum have discovered a vulnerability in the Secure Shell SSH cryptographic network protocol that could allow an attacker to downgrade the connection's security by breaking the integrity of the secure channel. Called Terrapin CVE-2023-48795, CVSS score:...

CVE-2023-50714 The Oauth2 PKCE implementation is vulnerable

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the authCodeVerifier should be removed after usage similar to authStat...

CVE-2023-50714 The Oauth2 PKCE implementation is vulnerable

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the authCodeVerifier should be removed after usage similar to authStat...

CVE-2023-50714 The Oauth2 PKCE implementation is vulnerable

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the authCodeVerifier should be removed after usage similar to authStat...