USN-7206-2: rsync regression

Published Jan 16, 2025
·
Updated

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)

Affected Software

12 affected componentsFixes available
All of the following
ubuntu/rsync<3.2.7-1ubuntu1.2
3.2.7-1ubuntu1.2
Ubuntu Ubuntu=24.04
All of the following
ubuntu/rsync<3.2.7-0ubuntu0.22.04.4
3.2.7-0ubuntu0.22.04.4
Ubuntu Ubuntu=22.04
All of the following
ubuntu/rsync<3.1.3-8ubuntu0.9
3.1.3-8ubuntu0.9
Ubuntu Ubuntu=20.04
All of the following
ubuntu/rsync<3.1.2-2.1ubuntu1.6+esm2
3.1.2-2.1ubuntu1.6+esm2
Ubuntu Ubuntu=18.04
All of the following
ubuntu/rsync<3.1.1-3ubuntu1.3+esm4
3.1.1-3ubuntu1.3+esm4
Ubuntu Ubuntu=16.04
All of the following
ubuntu/rsync<3.1.0-2ubuntu0.4+esm2
3.1.0-2ubuntu0.4+esm2
Ubuntu Ubuntu=14.04

Event History

Jan 16, 2025
Advisory Published
via Ubuntu·12:00 AM

Frequently Asked Questions

1

What is the severity of USN-7206-2?

The severity of USN-7206-2 is classified as important due to potential exploitability in the rsync package.

2

How do I fix USN-7206-2?

To fix USN-7206-2, update the rsync package to the latest version specified in the advisory for your Ubuntu version.

3

Which versions of Ubuntu are affected by USN-7206-2?

USN-7206-2 affects various versions of Ubuntu including 14.04, 16.04, 18.04, 20.04, 22.04, and 24.04.

4

Is there a regression in USN-7206-2?

Yes, USN-7206-1 introduced a regression in rsync which has been fixed in USN-7206-2.

5

Who discovered the vulnerability fixed in USN-7206-2?

The vulnerability was discovered by Simon Scannell, Pedro Gallegos, and Jasiel Spelman.

Contact

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