Debian DSA-2348-1 : systemtap - several vulnerabilities

high Nessus Plugin ID 56881

Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities were discovered in SystemTap, an instrumentation system for Linux :

- CVE-2011-2503 It was discovered that a race condition in staprun could lead to privilege escalation.

- CVE-2010-4170 It was discovered that insufficient validation of environment variables in staprun could lead to privilege escalation.

- CVE-2010-4171 It was discovered that insufficient validation of module unloading could lead to denial of service.

Solution

Upgrade the systemtap packages.

For the stable distribution (squeeze), this problem has been fixed in version 1.2-5+squeeze1.

See Also

https://security-tracker.debian.org/tracker/CVE-2011-2503

https://security-tracker.debian.org/tracker/CVE-2010-4170

https://security-tracker.debian.org/tracker/CVE-2010-4171

https://packages.debian.org/source/squeeze/systemtap

https://www.debian.org/security/2011/dsa-2348

Plugin Details

Severity: High

ID: 56881

File Name: debian_DSA-2348.nasl

Version: 1.14

Type: local

Agent: unix

Published: 11/22/2011

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:systemtap, cpe:/o:debian:debian_linux:6.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/17/2011

Vulnerability Publication Date: 12/7/2010

Exploitable With

Metasploit (SystemTap MODPROBE_OPTIONS Privilege Escalation)

Reference Information

CVE: CVE-2010-4170, CVE-2010-4171, CVE-2011-2503

BID: 44914, 44917, 48886

DSA: 2348