schroot: Denial of Service — GLSA 202210-11

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

Affected packages

dev-util/schroot on all architectures
Affected versions < 1.6.13_p2
Unaffected versions >= 1.6.13_p2

Background

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

Description

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

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.

Resolution

All schroot users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-util/schroot-1.6.13"
 

References

Release date
October 31, 2022

Latest revision
October 31, 2022: 1

Severity
low

Exploitable
remote

Bugzilla entries