USN-6560-1: OpenSSH vulnerabilities

Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being...

CVE-2023-6680

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

CVE-2023-6680

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

UBUNTU-CVE-2023-6680

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

Input validation

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

CVE-2023-6680

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

CVE-2023-6680 Improper Certificate Validation in GitLab

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

CVE-2023-6680

Removed by vendor...

CVE-2023-6680 Improper Certificate Validation in GitLab

An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication...

CVE-2023-6680

CVE-2023-6680 affects GitLab Enterprise Edition (EE) Smartcard authentication. The issue is an improper certificate validation in the Smartcard authentication flow that, if enabled by an administrator (it is an experimental feature), allows an attacker to authenticate as another user using a publ...

PT-2023-8226 · Gitlab · Gitlab Ce/Ee +1

Name of the Vulnerable Software and Affected Versions: GitLab EE versions 11.6 through 16.4.3 GitLab EE versions 16.5 through 16.5.3 GitLab EE versions 16.6 through 16.6.1 Description: The issue is related to an improper certificate validation in Smartcard authentication, allowing an attacker to...

FreeBSD : Gitlab -- vulnerabilities (e2fb85ce-9a3c-11ee-af26-001b217b3468)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the e2fb85ce-9a3c-11ee-af26-001b217b3468 advisory. - Gitlab reports: Smartcard authentication allows impersonation of arbitrary user using user's...

GitLab 11.6 < 16.4.4 / 16.5 < 16.5.4 / 16.6 < 16.6.2 (CVE-2023-6680)

The version of GitLab installed on the remote host is affected by a vulnerability, as follows: - An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to...

Gitlab -- vulnerabilities

Gitlab reports: Smartcard authentication allows impersonation of arbitrary user using user's public certificate When subgroup is allowed to merge or push to protected branches, subgroup members with the Developer role may gain the ability to push or merge The GitLab web interface does not ensure...

DEBIAN-CVE-2023-4535

An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to...

Ubuntu 16.04 ESM : Yubico PIV Tool vulnerabilities (USN-4846-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4846-1 advisory. It was discovered that libykpiv, a supporting library of the Yubico PIV tool and YubiKey PIV Manager, mishandled specially crafted input. An attacker wit...

FreeBSD : FreeBSD -- ssh-add does not honor per-hop destination constraints (e31a8f8e-47bf-11ee-8e38-002590c1f29c)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the e31a8f8e-47bf-11ee-8e38-002590c1f29c advisory. - ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destinati...

GLSA-202307-01 : OpenSSH: Remote Code Execution

The remote host is affected by the vulnerability described in GLSA-202307-01 OpenSSH: Remote Code Execution - OpenSSH server sshd 9.1 introduced a double-free vulnerability during options.kexalgorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated...

Query to create a custom Smartcard FAS template

Request for instruction to modify FAS template or create a custom template with following configuration. Secure email Client authentication Smart card logon...

FreeBSD -- ssh-add does not honor per-hop destination constraints

Problem Description: When using ssh-add1 to add smartcard keys to ssh-agent1 with per-hop destination constraints, a logic error prevented the constraints from being sent to the agent resulting in keys being added to the agent without constraints. Impact: A malicious server could leverage the key...