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Ubuntu Security Notice USN-6620-1

Ubuntu Security Notice USN-6620-1
Posted Feb 1, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6620-1 - It was discovered that the GNU C Library incorrectly handled the syslog function call. A local attacker could use this issue to execute arbitrary code and possibly escalate privileges.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2023-6246
SHA-256 | 885d7737c8896c4979eff3130aedfac27d41d771214fabcaa738e3479072e0e6

Ubuntu Security Notice USN-6620-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6620-1
February 01, 2024

glibc vulnerabilities
==========================================================================

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

- Ubuntu 23.10

Summary:

GNU C Library could be made to crash or run programs as an administrator
if it handled a specially crafted request.

Software Description:
- glibc: GNU C Library

Details:

It was discovered that the GNU C Library incorrectly handled the syslog()
function call. A local attacker could use this issue to execute arbitrary
code and possibly escalate privileges.

Update instructions:

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

Ubuntu 23.10:
libc6 2.38-1ubuntu6.1

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6620-1
CVE-2023-6246, CVE-2023-6779, CVE-2023-6780

Package Information:
https://launchpad.net/ubuntu/+source/glibc/2.38-1ubuntu6.1

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