| Description: | Summary:
The remote host is missing an update for the Debian 'nss' package(s) announced via the DSA-3336-1 advisory.
Vulnerability Insight:
Several vulnerabilities have been discovered in nss, the Mozilla Network Security Service library. The Common Vulnerabilities and Exposures project identifies the following problems:
CVE-2015-2721
Karthikeyan Bhargavan discovered that NSS incorrectly handles state transitions for the TLS state machine. A man-in-the-middle attacker could exploit this flaw to skip the ServerKeyExchange message and remove the forward-secrecy property.
CVE-2015-2730
Watson Ladd discovered that NSS does not properly perform Elliptical Curve Cryptography (ECC) multiplication, allowing a remote attacker to potentially spoof ECDSA signatures.
For the oldstable distribution (wheezy), these problems have been fixed in version 2:3.14.5-1+deb7u5.
For the stable distribution (jessie), these problems have been fixed in version 2:3.17.2-1.1+deb8u1.
For the testing distribution (stretch), these problems have been fixed in version 2:3.19.1-1.
For the unstable distribution (sid), these problems have been fixed in version 2:3.19.1-1.
We recommend that you upgrade your nss packages.
Affected Software/OS:
'nss' package(s) on Debian 7, Debian 8.
Solution:
Please install the updated package(s).
CVSS Score:
4.3
CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
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