Arch Linux Security Advisory ASA-202011-18
=========================================
Severity: Medium
Date    : 2020-11-19
CVE-ID  : CVE-2020-8277
Package : c-ares
Type    : denial of service
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1280

Summary
======
The package c-ares before version 1.17.1-1 is vulnerable to denial of
service.

Resolution
=========
Upgrade to 1.17.1-1.

# pacman -Syu "c-ares>=1.17.1-1"

The problem has been fixed upstream in version 1.17.1.

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

Description
==========
An application that allows an attacker to trigger a DNS request for a
host of their choice could trigger a Denial of Service by getting the
application to resolve a DNS record with a large number of responses.

Impact
=====
A remote malicious attacker might be able to crash the application with
a crafted DNS response.

References
=========
https://github.com/c-ares/c-ares/issues/371
https://github.com/c-ares/c-ares/commit/0d252eb3b2147179296a3bdb4ef97883c97c54d3
https://security.archlinux.org/CVE-2020-8277

ArchLinux: 202011-18: c-ares: denial of service

November 29, 2020

Summary

An application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service by getting the application to resolve a DNS record with a large number of responses.

Resolution

Upgrade to 1.17.1-1. # pacman -Syu "c-ares>=1.17.1-1"
The problem has been fixed upstream in version 1.17.1.

References

https://github.com/c-ares/c-ares/issues/371 https://github.com/c-ares/c-ares/commit/0d252eb3b2147179296a3bdb4ef97883c97c54d3 https://security.archlinux.org/CVE-2020-8277

Severity
Package : c-ares
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1280

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