USN-7206-3: rsync vulnerabilities
28 January 2025
Several security issues were fixed in rsync.
Releases
Packages
- rsync - fast, versatile, remote (and local) file-copying tool
Details
USN-7206-1 fixed vulnerabilities in Ubuntu 14.04 LTS to Ubuntu 24.04 LTS.
This update provides the corresponding updates for Ubuntu 24.10.
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 24.10
In general, a standard system update will make all the necessary changes.
After a standard system update you need to restart rsync daemons if
configured to make all the necessary changes.