Detections
Analytics
Ubuntu 12.04 LTS / 12.10 / 13.04 / 13.10 : openssl vulnerabilities (USN-2079-1)
medium Nessus Plugin ID 71896
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Synopsis
The remote Ubuntu host is missing a security-related patch.Description
Anton Johansson discovered that OpenSSL incorrectly handled certain invalid TLS handshakes. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service.(CVE-2013-4353)
Ron Barber discovered that OpenSSL used an incorrect data structure to obtain a version number. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service.
(CVE-2013-6449)
Dmitry Sobinov discovered that OpenSSL incorrectly handled certain DTLS retransmissions. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2013-6450)
This update also disables the default use of the RdRand feature of certain Intel CPUs as the sole source of entropy.
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 libssl1.0.0 package.See Also
Plugin Details
Severity: Medium
ID: 71896
File Name: ubuntu_USN-2079-1.nasl
Version: 1.12
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 1/10/2014
Updated: 1/19/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:13.04, p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Ease: No known exploits are available
Patch Publication Date: 1/9/2014
Vulnerability Publication Date: 12/23/2013
Reference Information
CVE: CVE-2013-4353, CVE-2013-6449, CVE-2013-6450
USN: 2079-1