Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : logrotate vulnerabilities (USN-1172-1)

medium Nessus Plugin ID 55648

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Synopsis

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

Description

It was discovered that logrotate incorrectly handled the creation of new log files. Local users could possibly read log files if they were opened before permissions were in place. This issue only affected Ubuntu 8.04 LTS. (CVE-2011-1098)

It was discovered that logrotate incorrectly handled certain log file names when used with the shred option. Local attackers able to create log files with specially crafted filenames could use this issue to execute arbitrary code. This issue only affected Ubuntu 10.04 LTS, 10.10, and 11.04. (CVE-2011-1154)

It was discovered that logrotate incorrectly handled certain malformed log filenames. Local attackers able to create log files with specially crafted filenames could use this issue to cause logrotate to stop processing log files, resulting in a denial of service.
(CVE-2011-1155)

It was discovered that logrotate incorrectly handled symlinks and hard links when processing log files. A local attacker having write access to a log file directory could use this issue to overwrite or read arbitrary files. This issue only affected Ubuntu 8.04 LTS.
(CVE-2011-1548).

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 logrotate package.

Plugin Details

Severity: Medium

ID: 55648

File Name: ubuntu_USN-1172-1.nasl

Version: 1.7

Type: local

Agent: unix

Family: Ubuntu Local Security Checks

Published: 7/22/2011

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.7

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:logrotate, cpe:/o:canonical:ubuntu_linux:10.04:-:lts, cpe:/o:canonical:ubuntu_linux:10.10, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:8.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/21/2011

Vulnerability Publication Date: 3/30/2011

Reference Information

CVE: CVE-2011-1098, CVE-2011-1154, CVE-2011-1155, CVE-2011-1548

BID: 47103, 47107, 47108, 47167

USN: 1172-1

Detections

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