Ubuntu Security Notice 6382-1 - It was discovered that Memcached incorrectly handled certain multi-packet uploads in UDP. An attacker could possibly use this issue to cause a denial of service.
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Ubuntu Security Notice USN-6382-1
September 19, 2023
memcached vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Memcached could be made to denial of service.
Software Description:
- memcached: High-performance in-memory object caching system
Details:
It was discovered that Memcached incorrectly handled certain multi-packet
uploads in UDP. An attacker could possibly use this issue to cause a
denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
memcached 1.5.22-2ubuntu0.3
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
memcached 1.5.6-0ubuntu1.2+esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
memcached 1.4.25-2ubuntu1.5+esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6382-1
CVE-2022-48571
Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.5.22-2ubuntu0.3