USN-7206-4: rsync regression
First published: Mon Feb 10 2025(Updated: )
USN-7206-3 fixed vulnerabilities in rsync for Ubuntu 24.10. 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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/rsync | <3.3.0-1ubuntu0.2 | 3.3.0-1ubuntu0.2 |
| Ubuntu | =24.10 |
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Reference Links
Frequently Asked Questions
What is the severity of USN-7206-4?
The severity of USN-7206-4 is classified as medium due to the regression introduced in the rsync update.
How do I fix USN-7206-4?
To fix USN-7206-4, update rsync to version 3.3.0-1ubuntu0.2 or later on Ubuntu 24.10.
What vulnerabilities does USN-7206-4 address?
USN-7206-4 addresses a regression issue that affected the functionality of rsync after a previous security update.
Who discovered the issues leading to USN-7206-4?
The issues leading to USN-7206-4 were discovered by researchers Simon Scannell, Pedro Gallegos, and Jasiel Spelman.
Which versions of Ubuntu are affected by USN-7206-4?
USN-7206-4 affects Ubuntu 24.10 users running versions of rsync prior to 3.3.0-1ubuntu0.2.
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- version/ubuntu/24.10