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Unscored USN-7206-2 0 CVEs

rsync regression

Published Jan 16, 2025 · Updated Jun 25, 2026

Summary

USN-7206-1 fixed vulnerabilities in rsync. The update introduced a
regression in rsync. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync
did not properly handle checksum lengths. An attacker could use this
issue to execute arbitrary code. (CVE-2024-12084)

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync
compared checksums with uninitialized memory. An attacker could exploit
this issue to leak sensitive information. (CVE-2024-12085)

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync
incorrectly handled file checksums. A malicious server could use this
to expose arbitrary client files. (CVE-2024-12086)

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync
mishandled symlinks for some settings. An attacker could exploit this
to write files outside the intended directory. (CVE-2024-12087)

Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync
failed to verify symbolic link destinations for some settings. An
attacker could exploit this for path traversal attacks. (CVE-2024-12088)

Aleksei Gorban discovered a race condition in rsync's handling of
symbolic links. An attacker could use this to access sensitive
information or escalate privileges. (CVE-2024-12747)

Fixed packages 6

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS rsync 3.1.3-8ubuntu0.9
Ubuntu · 22.04 LTS 22.04:LTS rsync 3.2.7-0ubuntu0.22.04.4
Ubuntu · 24.04 LTS 24.04:LTS rsync 3.2.7-1ubuntu1.2
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS rsync 3.1.0-2ubuntu0.4+esm2
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS rsync 3.1.1-3ubuntu1.3+esm4
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS rsync 3.1.2-2.1ubuntu1.6+esm2

References

  • report
    https://launchpad.net/bugs/2095004