Ubuntu 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : python-crypto vulnerability (USN-1484-1)

medium Nessus Plugin ID 59783

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that PyCrypto produced inappropriate prime numbers when generating ElGamal keys. An attacker could use this flaw to facilitate brute-forcing of ElGamal encryption keys.

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 python-crypto package.

See Also

https://usn.ubuntu.com/1484-1/

Plugin Details

Severity: Medium

ID: 59783

File Name: ubuntu_USN-1484-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 6/29/2012

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:10.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-crypto, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:11.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/28/2012

Vulnerability Publication Date: 6/16/2012

Reference Information

CVE: CVE-2012-2417

BID: 53687

USN: 1484-1