Ubuntu Security Notice USN-7000-2
2024-9-18 22:28:58 Author: packetstormsecurity.com(查看原文) 阅读量:0 收藏

==========================================================================
Ubuntu Security Notice USN-7000-2
September 17, 2024

expat vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in Expat.

Software Description:
- expat: XML parsing C library

Details:

USN-7000-1 fixed vulnerabilities in Expat. This update
provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

Shang-Hung Wan discovered that Expat did not properly handle certain
function calls when a negative input length was provided. An attacker
could use this issue to cause a denial of service or possibly execute
arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat did not properly handle the
potential for an integer overflow on 32-bit platforms. An attacker
could use this issue to cause a denial of service or possibly execute
arbitrary code. (CVE-2024-45491, CVE-2024-45492)

Update instructions:

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

Ubuntu 22.04 LTS
expat 2.4.7-1ubuntu0.4
libexpat1 2.4.7-1ubuntu0.4

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7000-2
https://ubuntu.com/security/notices/USN-7000-1
CVE-2024-45490, CVE-2024-45491, CVE-2024-45492

Package Information:
https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.4


文章来源: https://packetstormsecurity.com/files/181604/USN-7000-2.txt
如有侵权请联系:admin#unsafe.sh