Bug 2176823 (CVE-2023-27985)

Summary:	CVE-2023-27985 emacs: Shell command injection via a crafted mailto URI
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	jmigacz
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the Emacs text editor. When opened with emacsclient-mail.desktop, a crafted mailto URI can result in shell command injection due to lack of compliance with the Desktop Entry Specification.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-09 16:25:16 UTC	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:	2176826
Bug Blocks:	2176475

Description Pedro Sampaio 2023-03-09 12:18:48 UTC

emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to shell command injections through a crafted mailto: URI. This is related to lack of compliance with the Desktop Entry Specification.

References:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60204
https://www.openwall.com/lists/oss-security/2023/03/08/2
http://www.openwall.com/lists/oss-security/2023/03/09/1

Upstream patch:
http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=d32091199ae5de590a83f1542a01d75fba000467

Comment 1 Guilherme de Almeida Suckevicz 2023-03-09 12:32:03 UTC

Created emacs tracking bugs for this issue:

Affects: fedora-all [bug 2176826]

Comment 2 Product Security DevOps Team 2023-03-09 16:25:14 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-27985