Input validation error in memcached - CVE-2022-48571

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Main Vulnerability Database Vulnerabilities #VU80576

Input validation error in memcached - CVE-2022-48571

Published: September 11, 2023


Vulnerability identifier: #VU80576
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-48571
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing multi-packet uploads in UDP within the resp_has_stack() function in memcached.c. A remote attacker can send specially crafted packets to the application and perform a denial of service (DoS) attack.


Affected software

memcached
Ubuntu
memcached (Ubuntu package)

How to mitigate CVE-2022-48571

Install updates from vendor's website.

memcached - update to 1.6.8
memcached (Ubuntu package) - addressed in versions Ubuntu Pro, 1.5.22-2ubuntu0.3

External References

Related Security Bulletins