851696 – (CVE-2022-31212, CVE-2022-31213) <sys-apps/dbus-broker-31: Multiple Memory Corruption Vulnerabilities (CVE-2022-{31212,31213})

Bug 851696 (CVE-2022-31212, CVE-2022-31213) - <sys-apps/dbus-broker-31: Multiple Memory Corruption Vulnerabilities (CVE-2022-{31212,31213})

Summary: <sys-apps/dbus-broker-31: Multiple Memory Corruption Vulnerabilities (CVE-202...

Status:	RESOLVED FIXED

Alias:	CVE-2022-31212, CVE-2022-31213

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal minor (vote)
Assignee:	Gentoo Security

URL:	https://seclists.org/fulldisclosure/2...
Whiteboard:	B4 [glsa+]
Keywords:

Depends on:	851735
Blocks:
	Show dependency tree

Reported:	2022-06-13 11:46 UTC by Federico Justus Denkena
Modified:	2023-05-03 09:37 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.

Description Federico Justus Denkena 2022-06-13 11:46:59 UTC

Multiple vulnerabilities in version 29(stable). Fixed in version 31, which is still unstable.

Reproducible: Always

Actual Results:  
Vulnerability overview/description:
-----------------------------------
1) Stack-Buffer Over-Read (CVE-2022-31212)
Dbus-Broker depends on c-uitl/c-shquote to parse DBus service's Exec line.
c-shquote contains a stack buffer over-read if a malicious Exec line is
supplied.

2) Null Pointer Dereference (CVE-2022-31213)
Multiple Null Pointer references can be found when supplying a malformed XML
config file.

Comment 1 John Helmert III archtester

2022-06-13 13:24:57 UTC

Thanks!

Comment 2 John Helmert III archtester

2022-06-14 22:03:50 UTC

Please cleanup

Comment 3 Larry the Git Cow gentoo-dev

2023-05-03 09:31:48 UTC

The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/data/glsa.git/commit/?id=7d32d1d523945ea104ab16421f21ae8121c0dce7

commit 7d32d1d523945ea104ab16421f21ae8121c0dce7
Author:     GLSAMaker <glsamaker@gentoo.org>
AuthorDate: 2023-05-03 09:13:30 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2023-05-03 09:31:46 +0000

    [ GLSA 202305-04 ] dbus-broker: Multiple Vulnerabilities
    
    Bug: https://bugs.gentoo.org/851696
    Signed-off-by: GLSAMaker <glsamaker@gentoo.org>
    Signed-off-by: Sam James <sam@gentoo.org>

 glsa-202305-04.xml | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)