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Ubuntu 24.04 LTS USN-7206-2 rsync critical: security regression fix

ubuntu
Calendar Grey January 16, 2025
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-7206-2 addresses vulnerabilities related to rsync, offering essential patches for multiple versions influenced by these concerns.
USN-7206-1 caused some regression in rsync.

Summary

USN-7206-1 caused some regression in rsync.

Software Description:

- rsync: fast, versatile, remote (and local) file-copying tool

Details:

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 discov...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory Ubuntu rsync arbitrary code path traversal regression

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
   rsync                           3.2.7-1ubuntu1.2

Ubuntu 22.04 LTS
   rsync                           3.2.7-0ubuntu0.22.04.4

Ubuntu 20.04 LTS
   rsync                           3.1.3-8ubuntu0.9

Ubuntu 18.04 LTS
   rsync                           3.1.2-2.1ubuntu1.6+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   rsync                           3.1.1-3ubuntu1.3+esm4
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   rsync                           3.1.0-2ubuntu0.4+esm2
                                   Available with Ubuntu Pro

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.

References

https://ubuntu.com/security/notices/USN-7206-2

https://ubuntu.com/security/notices/USN-7206-1

https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/2095004

Severity
critical
Lowest
Low
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Critical

Ubuntu Security Notice USN-7206-2

Topics%20covered

Topics Covered

security advisory Ubuntu rsync arbitrary code path traversal regression

Package Information

https://launchpad.net/ubuntu/+source/rsync/3.2.7-1ubuntu1.2
https://launchpad.net/ubuntu/+source/rsync/3.2.7-0ubuntu0.22.04.4
https://launchpad.net/ubuntu/+source/rsync/3.1.3-8ubuntu0.9

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