Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Debian: Security Advisory for c-ares (DSA-4954-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'c-ares' package(s) announced via the DSA-4954-1 advisory.
Insight
Insight
Philipp Jeitner and Haya Shulman discovered a flaw in c-ares, a library that performs DNS requests and name resolution asynchronously. Missing input validation of hostnames returned by DNS servers can lead to output of wrong hostnames (leading to Domain Hijacking).
Affected Software
Affected Software
'c-ares' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 1.14.0-1+deb10u1. We recommend that you upgrade your c-ares packages.