Arch Linux Security Advisory ASA-202106-44
=========================================
Severity: High
Date    : 2021-06-16
CVE-ID  : CVE-2021-33833
Package : connman
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2055

Summary
======
The package connman before version 1.40-1 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 1.40-1.

# pacman -Syu "connman>=1.40-1"

The problem has been fixed upstream in version 1.40.

Workaround
=========
None.

Description
==========
A security issue has been found in the dnsproxy component of connman in
releases 1.32 to 1.39. Unpacking of NAME and RDATA/RDLENGTH fields with
TYPE A/AAAA in the uncompress function uses a memcpy with insufficient
bounds checking, which can overflow a stack buffer.

Impact
=====
A remote attacker might be able to execute arbitrary code on the
victim's host.

References
=========
https://www.openwall.com/lists/oss-security/2021/06/09/1
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=eceb2e8d2341c041df55a5e2f047d9a8c491463c
https://security.archlinux.org/CVE-2021-33833

ArchLinux: 202106-44: connman: arbitrary code execution

June 18, 2021

Summary

A security issue has been found in the dnsproxy component of connman in releases 1.32 to 1.39. Unpacking of NAME and RDATA/RDLENGTH fields with TYPE A/AAAA in the uncompress function uses a memcpy with insufficient bounds checking, which can overflow a stack buffer.

Resolution

Upgrade to 1.40-1. # pacman -Syu "connman>=1.40-1"
The problem has been fixed upstream in version 1.40.

References

https://www.openwall.com/lists/oss-security/2021/06/09/1 https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=eceb2e8d2341c041df55a5e2f047d9a8c491463c https://security.archlinux.org/CVE-2021-33833

Severity
Package : connman
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-2055

Workaround

None.

Related News

23.Tablet Connections Esm H320
2 - 3 min read
The release of Ubuntu 24.04 LTS , also known as Noble Numbat, brings various security enhancements and exciting new features . These improvements
4.Lock AbstractDigital Esm H320
2 - 3 min read
Tails 6.2 is a new Linux distribution release that expands its multilingual support and improves security features. The distribution is a
19.Laptop Bed Esm H320
2 - 3 min read
AlmaLinux 9.4 beta has been released and provides compelling reasons to consider it for desktop usage. While AlmaLinux is primarily known as a
32.Lock Code Circular Esm H320
2 - 3 min read
Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs.
1.Penguin Landscape Esm H320
2 - 3 min read
A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's
10.FingerPrint Locks Esm H320
2 - 3 min read
The recent release of I2P 2.5.0 , an anonymous P2P network that protects against online censorship, surveillance, and monitoring, has brought a slew
24.Key Code Esm H320
2 - 3 min read
The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on
5.ShakingHands Esm H320
2 - 3 min read
At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux
Sign Up

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved