Ubuntu alert USN-6620-1 (glibc)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com>
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com>
Subject:
             
 
[USN-6620-1] GNU C Library vulnerabilities
Date:
             
 
Thu, 01 Feb 2024 08:11:19 -0500
Message-ID:
             
 
<d42e3dc0-354f-4334-9250-6b9cd7043a76@canonical.com>
==========================================================================
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