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Gentoo Linux GLSA-202210-11 Low: schroot Denial Of Service

gentoo
Calendar Grey October 30, 2022
Dist Gentoo Esm H88
An issue within the userspace tool can result in system instability. Ensure you upgrade to the newest release to reduce potential threats.
A vulnerability has been discovered in schroot which could result in denial of service of the schroot service.

Summary

schroot is unecessarily permissive in rules regarding chroot and session names.

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity service disruption schroot

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
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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.

Severity
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Severity: Low
Title: schroot: Denial of Service
Date: October 31, 2022
Bugs: #867016
ID: 202210-11

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity service disruption schroot

Synopsis

A vulnerability has been discovered in schroot which could result in denial of service of the schroot service.

Background

schroot is a utility to execute commands in a chroot environment.

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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.

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