Off-by-one in memcached - CVE-2023-46853

 

Off-by-one in memcached - CVE-2023-46853

Published: November 13, 2023


Vulnerability identifier: #VU83024
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-46853
CWE-ID: CWE-193
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Memcached
Affected software:
memcached

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error in proxy_request.c. A remote attacker can send a specially crafted HTTP request to the proxy server, trigger an off-by-one error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2023-46853

Install updates from vendor's website.

Sources