USN-7206-2: rsync regression
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
Event History
Frequently Asked Questions
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.
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.
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.
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.
Who discovered the vulnerability fixed in USN-7206-2?
The vulnerability was discovered by Simon Scannell, Pedro Gallegos, and Jasiel Spelman.