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Ubuntu 8.04 LTS / 9.04 / 9.10 / 10.04 LTS / 10.10 : nss vulnerabilities (USN-1007-1)

high Nessus Plugin ID 50081

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Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Richard Moore discovered that NSS would sometimes incorrectly match an SSL certificate which had a Common Name that used a wildcard followed by a partial IP address. While it is very unlikely that a Certificate Authority would issue such a certificate, if an attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information. (CVE-2010-3170)

Nelson Bolyard discovered a weakness in the Diffie-Hellman Ephemeral mode (DHE) key exchange implementation which allowed servers to use a too small key length. (CVE-2010-3173).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/1007-1/

Plugin Details

Severity: High

ID: 50081

File Name: ubuntu_USN-1007-1.nasl

Version: 1.15

Type: local

Agent: unix

Published: 10/21/2010

Updated: 9/19/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libnss3-1d-dbg, p-cpe:/a:canonical:ubuntu_linux:libnss3-1d, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:9.04, p-cpe:/a:canonical:ubuntu_linux:libnss3-0d, cpe:/o:canonical:ubuntu_linux:9.10, p-cpe:/a:canonical:ubuntu_linux:libnspr4-0d, p-cpe:/a:canonical:ubuntu_linux:libnss3-dev, cpe:/o:canonical:ubuntu_linux:10.10, p-cpe:/a:canonical:ubuntu_linux:libnspr4-0d-dbg, p-cpe:/a:canonical:ubuntu_linux:libnspr4-dev, cpe:/o:canonical:ubuntu_linux:8.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libnss3-tools

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2010

Vulnerability Publication Date: 10/21/2010

Reference Information

CVE: CVE-2010-3170, CVE-2010-3173

BID: 42817

USN: 1007-1