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CVE-2023-46853

Published: 27 October 2023

In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.

Notes

AuthorNote
mdeslaur
proxy was introduced in 1.6.13

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
memcached
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
upstream
Released (1.6.22-1)
lunar
Released (1.6.18-1ubuntu0.1)
jammy
Released (1.6.14-1ubuntu0.1)
mantic
Released (1.6.21-1ubuntu0.23.10.1)
Patches:
upstream: https://github.com/memcached/memcached/commit/6987918e9a3094ec4fc8976f01f769f624d790fa (1.6.22)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H