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Debian Security Advisory DSA 3034-1 (iceweasel - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Antoine Delignat-Lavaud from Inria discovered an issue in the way NSS (the Mozilla Network Security Service library, embedded in Wheezy's Iceweasel package), was parsing ASN.1 data used in signatures, making it vulnerable to a signature forgery attack. An attacker could craft ASN.1 data to forge RSA certificates with a valid certification chain to a trusted CA.
Affected Software
Affected Software
iceweasel 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 (wheezy), this problem has been fixed in version 24.8.1esr-1~deb7u1. For the testing distribution (jessie) and unstable distribution (sid), Iceweasel uses the system NSS library, handled in DSA 3033-1. We recommend that you upgrade your iceweasel packages.