Gentoo: GLSA-202210-11: schroot: Denial of Service
Summary
schroot is unecessarily permissive in rules regarding chroot and session names.
Resolution
All schroot users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-util/schroot-1.6.13"
References
[ 1 ] CVE-2022-2787 https://nvd.nist.gov/vuln/detail/CVE-2022-2787
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202210-11
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
schroot is a utility to execute commands in a chroot environment.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-util/schroot < 1.6.13_p2 >= 1.6.13_p2
Impact
===== A crafted chroot or session name can break the internal state of the schroot service, leading to denial of service.
Workaround
There is no known workaround at this time.