Bug 2246951 (CVE-2023-46853)

Summary:	CVE-2023-46853 memcached: off-by-one error when processing proxy requests in proxy mode
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Memcached 1.6.22	Doc Type:	If docs needed, set a value
Doc Text:	An off-by-one error was found in Memcached. This issue occurs when processing proxy requests in proxy mode if \n is used instead of \r\n.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2250788
Bug Blocks:	2246952

Description Avinash Hanwate 2023-10-30 08:56:18 UTC

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.

https://github.com/memcached/memcached/compare/1.6.21...1.6.22
https://github.com/memcached/memcached/commit/6987918e9a3094ec4fc8976f01f769f624d790fa

Comment 2 Sandipan Roy 2023-11-21 06:45:40 UTC

Created memcached tracking bugs for this issue:

Affects: fedora-all [bug 2250788]