Gentoo: GLSA-202004-13: Git: Information disclosure
Summary
Multiple vulnerabilities have been discovered in Git. Please review the CVE identifiers referenced below for details.
Resolution
All Git 2.23.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.23.3"
All Git 2.24.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.24.3"
All Git 2.25.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.25.4"
All Git 2.26.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-vcs/git-2.26.2"
References
[ 1 ] CVE-2020-11008 https://nvd.nist.gov/vuln/detail/CVE-2020-11008 [ 2 ] CVE-2020-5260 https://nvd.nist.gov/vuln/detail/CVE-2020-5260
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202004-13
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Background
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-vcs/git < 2.26.2 *>= 2.23.3 *>= 2.24.3 *>= 2.25.4 *>= 2.26.2
Impact
===== A remote attacker, by providing a specially crafted URL, could possibly trick Git into returning credential information for a wrong host.
Workaround
Disabling credential helpers will prevent this vulnerability.