Bug 2255609 (CVE-2023-51713)

Summary:	CVE-2023-51713 proftpd: out-of-bounds buffer read when handling FTP commands
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	proftpd 1.3.9rc1, proftpd 1.3.8a	Doc Type:	If docs needed, set a value
Doc Text:		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:	2255610, 2255611
Bug Blocks:

Description TEJ RATHI 2023-12-22 11:27:08 UTC

make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.

https://github.com/proftpd/proftpd/blob/1.3.8/NEWS
https://github.com/proftpd/proftpd/issues/1683
https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554
https://github.com/proftpd/proftpd/commit/1376d8ccc0966d1ce9a1c76b32c6a9ca61bbe67f 
https://github.com/proftpd/proftpd/commit/97bbe68363ccf2de0c07f67170ec64a8b4d62592

Comment 1 TEJ RATHI 2023-12-22 11:27:43 UTC

Created proftpd tracking bugs for this issue:

Affects: epel-all [bug 2255610]
Affects: fedora-all [bug 2255611]