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Ubuntu 10.04 LTS / 12.04 LTS / 12.10 : curl regression (USN-2048-2)

low Nessus Plugin ID 71253

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Synopsis

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

Description

USN-2048-1 fixed a vulnerability in curl. The security fix uncovered a bug in the curl command line tool which resulted in the --insecure (-k) option not working as intended. This update fixes the problem.

We apologize for the inconvenience.

Scott Cantor discovered that libcurl incorrectly verified CN and SAN name fields when digital signature verification was disabled. When libcurl is being used in this uncommon way by specific applications, an attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

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 libcurl3 package.

See Also

https://usn.ubuntu.com/2048-2/

Plugin Details

Severity: Low

ID: 71253

File Name: ubuntu_USN-2048-2.nasl

Version: 1.7

Type: Local

Agent: unix

Published: 12/8/2013

Updated: 9/19/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcurl3

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/6/2013

Vulnerability Publication Date: 12/6/2013

Reference Information

BID: 63776

USN: 2048-2