1. Ubuntu Security Notices
  2. USN-6476-1

USN-6476-1: Memcached vulnerabilities

Publication date

13 November 2023

Overview

Several security issues were fixed in memcached.

Releases

Packages

  • memcached - High-performance in-memory object caching system

Details

It was discovered that Memcached incorrectly handled certain multiget
requests in proxy mode. A remote attacker could use this issue to cause
Memcached to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2023-46852)

It was discovered that Memcached incorrectly handled certain proxy requests
in proxy mode. A remote attacker could use this issue to cause Memcached to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2023-46853)

It was discovered that Memcached incorrectly handled certain multiget
requests in proxy mode. A remote attacker could use this issue to cause
Memcached to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2023-46852)

It was discovered that Memcached incorrectly handled certain proxy requests
in proxy mode. A remote attacker could use this issue to cause Memcached to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2023-46853)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.10 mantic memcached –  1.6.21-1ubuntu0.23.10.1
23.04 lunar memcached –  1.6.18-1ubuntu0.1
22.04 jammy memcached –  1.6.14-1ubuntu0.1

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References

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