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Debian Security Advisory DSA 3682-1 (c-ares - security update)
Information
Severity
Severity
High
Family
Family
Debian Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
2 years ago
Summary
Gzob Qq discovered that the query-building functions in c-ares, an asynchronous DNS request library would not correctly process crafted query names, resulting in a heap buffer overflow and potentially leading to arbitrary code execution.
Affected Software
Affected Software
c-ares on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 1.10.0-2+deb8u1. For the unstable distribution (sid), this problem has been fixed in version 1.12.0-1. We recommend that you upgrade your c-ares packages.