PulseAudio 0.9.6/0.9.8 pa_drop_root input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in PulseAudio 0.9.6/0.9.8. It has been rated as problematic. This affects the function pa_drop_root. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2008-0008. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in PulseAudio 0.9.6/0.9.8. This affects the function pa_drop_root. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The pa_drop_root function in PulseAudio 0.9.8, and a certain 0.9.9 build, does not check return values from (1) setresuid, (2) setreuid, (3) setuid, and (4) seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail via attacks such as resource exhaustion.

The bug was discovered 01/24/2008. The weakness was shared 01/28/2008 with SuSE (Website). It is possible to read the advisory at redhat.com. This vulnerability is uniquely identified as CVE-2008-0008 since 12/03/2007. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 30147 (Ubuntu 7.04 / 7.10 : pulseaudio vulnerability (USN-573-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (39992), Tenable (30147), SecurityFocus (BID 27449†), OSVDB (42842†) and Secunia (SA28608†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 30147
Nessus Name: Ubuntu 7.04 / 7.10 : pulseaudio vulnerability (USN-573-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 60269
OpenVAS Name: Debian Security Advisory DSA 1476-1 (pulseaudio)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/03/2007 🔍
01/24/2008 +52 days 🔍
01/24/2008 +0 days 🔍
01/25/2008 +1 days 🔍
01/28/2008 +3 days 🔍
01/28/2008 +0 days 🔍
01/31/2008 +3 days 🔍
02/01/2008 +1 days 🔍
02/04/2008 +3 days 🔍
03/16/2015 +2597 days 🔍
07/30/2021 +2328 days 🔍

Sourcesinfo

Advisory: 2100
Organization: SuSE
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-0008 (🔍)
GCVE (CVE): GCVE-0-2008-0008
GCVE (VulDB): GCVE-100-40719

OVAL: 🔍

X-Force: 39992
SecurityFocus: 27449 - PulseAudio Local Privilege Escalation Vulnerability
Secunia: 28608
OSVDB: 42842 - CVE-2008-0008 - PulseAudio - Privilege Escalation Issue
Vulnerability Center: 17517 - PulseAudio Pa_drop_root Function Vulnerability Allows Remote Attackers to Gain Root Privileges, High
Vupen: ADV-2008-0283

Entryinfo

Created: 03/16/2015 13:43
Updated: 07/30/2021 18:29
Changes: 03/16/2015 13:43 (72), 08/04/2019 14:53 (9), 07/30/2021 18:29 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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