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Debian Security Advisory DSA 2994-1 (nss - 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

9 years ago

Modified

Modified

2 years ago

Summary

Several vulnerabilities have been discovered in nss, the Mozilla Network Security Service library: CVE-2013-1741 Runaway memset in certificate parsing on 64-bit computers leading to a crash by attempting to write 4Gb of nulls. CVE-2013-5606 Certificate validation with the verifylog mode did not return validation errors, but instead expected applications to determine the status by looking at the log. CVE-2014-1491 Ticket handling protection mechanisms bypass due to the lack of restriction of public values in Diffie-Hellman key exchanges. CVE-2014-1492 Incorrect IDNA domain name matching for wildcard certificates could allow specially-crafted invalid certificates to be considered as valid.

Affected Software

Affected Software

nss 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), these problems have been fixed in version 2:3.14.5-1+deb7u1. For the testing distribution (jessie), and the unstable distribution (sid), these problems have been fixed in version 2:3.16-1. We recommend that you upgrade your nss packages.

Common Vulnerabilities and Exposures (CVE)