Ubuntu 10.04 LTS / 12.04 LTS / 14.04 LTS : libtasn1-3, libtasn1-6 vulnerabilities (USN-2294-1)
medium Nessus Plugin ID 76704
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
It was discovered that Libtasn1 incorrectly handled certain ASN.1 data structures. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3467)It was discovered that Libtasn1 incorrectly handled negative bit lengths. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-3468)
It was discovered that Libtasn1 incorrectly handled certain ASN.1 data. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3469).
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 libtasn1-3 and / or libtasn1-6 packages.See Also
Plugin Details
Severity: Medium
ID: 76704
File Name: ubuntu_USN-2294-1.nasl
Version: 1.9
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 7/23/2014
Updated: 1/19/2021
Dependencies: ssh_get_info.nasl
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Temporal Vector: E:U/RL:OF/RC:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:libtasn1-3, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 7/22/2014
Vulnerability Publication Date: 6/5/2014
Reference Information
USN: 2294-1