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Test ID:1.3.6.1.4.1.25623.1.0.703336
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 3336-1 (nss - security update)
Summary: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.
Description:Summary:
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.

Affected Software/OS:
nss on Debian Linux

Solution:
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.

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-2721
BugTraq ID: 75541
http://www.securityfocus.com/bid/75541
BugTraq ID: 83398
http://www.securityfocus.com/bid/83398
BugTraq ID: 91787
http://www.securityfocus.com/bid/91787
Debian Security Information: DSA-3324 (Google Search)
http://www.debian.org/security/2015/dsa-3324
Debian Security Information: DSA-3336 (Google Search)
http://www.debian.org/security/2015/dsa-3336
https://security.gentoo.org/glsa/201512-10
https://security.gentoo.org/glsa/201701-46
https://smacktls.com
RedHat Security Advisories: RHSA-2015:1185
http://rhn.redhat.com/errata/RHSA-2015-1185.html
RedHat Security Advisories: RHSA-2015:1664
http://rhn.redhat.com/errata/RHSA-2015-1664.html
http://www.securitytracker.com/id/1032783
http://www.securitytracker.com/id/1032784
SuSE Security Announcement: SUSE-SU-2015:1268 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
SuSE Security Announcement: SUSE-SU-2015:1269 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
SuSE Security Announcement: SUSE-SU-2015:1449 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
SuSE Security Announcement: openSUSE-SU-2015:1229 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
SuSE Security Announcement: openSUSE-SU-2015:1266 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
http://www.ubuntu.com/usn/USN-2656-1
http://www.ubuntu.com/usn/USN-2656-2
http://www.ubuntu.com/usn/USN-2672-1
http://www.ubuntu.com/usn/USN-2673-1
Common Vulnerability Exposure (CVE) ID: CVE-2015-2730
BugTraq ID: 83399
http://www.securityfocus.com/bid/83399
RedHat Security Advisories: RHSA-2015:1699
http://rhn.redhat.com/errata/RHSA-2015-1699.html
CopyrightCopyright (c) 2015 Greenbone Networks GmbH http://greenbone.net

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