Ubuntu update for memcached



Published: 2023-09-19
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-48571
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

memcached (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU80576

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2022-48571

CWE-ID:

Exploit availability:

Description

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.

Mitigation

Update the affected package memcached to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

memcached (Ubuntu package): before Ubuntu Pro

Fixed software versions

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6382-1


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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