Bug 2246948 (CVE-2023-46852)

Summary:	CVE-2023-46852 memcached: buffer overflow when processing multiget 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:	A buffer overflow flaw was found in Memcached when processing multiget requests in proxy mode. This issue occurs when there are many spaces after the "get" substring.	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:	2250785
Bug Blocks:	2246952

Description Avinash Hanwate 2023-10-30 08:52:29 UTC

In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.

https://github.com/memcached/memcached/commit/76a6c363c18cfe7b6a1524ae64202ac9db330767
https://github.com/memcached/memcached/compare/1.6.21...1.6.22

Comment 2 Sandipan Roy 2023-11-21 06:37:06 UTC

Created memcached tracking bugs for this issue:

Affects: fedora-all [bug 2250785]