Red Hat PolicyKit 0.96 setuid Program race condition

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Red Hat PolicyKit 0.96. It has been rated as problematic. The affected element is an unknown function of the component setuid Program. This manipulation causes race condition. This vulnerability is tracked as CVE-2011-1485. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical was found in Red Hat PolicyKit 0.96. Affected by this vulnerability is an unknown function of the component setuid Program. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Race condition in the pkexec utility and polkitd daemon in PolicyKit (aka polkit) 0.96 allows local users to gain privileges by executing a setuid program from pkexec, related to the use of the effective user ID instead of the real user ID.

The weakness was disclosed 05/31/2011 by zx2c4 as Bug 692922 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2011-1485. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by zx2c4 in ANSI C and been published 5 months after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 68258 (Oracle Linux 6 : polkit (ELSA-2011-0455)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 390167 (Oracle VM Server for x86 Security Update for polkit (OVMSA-2019-0008)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (66874), Exploit-DB (17932), Tenable (68258), SecurityFocus (BID 47496†) and Vulnerability Center (SBV-31308†). The entry VDB-65188 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Highly functional
Author: zx2c4
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 68258
Nessus Name: Oracle Linux 6 : polkit (ELSA-2011-0455)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70408
OpenVAS Name: Debian Security Advisory DSA 2319-1 (policykit-1)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: pkexec.rb
MetaSploit Name: Linux PolicyKit Race Condition Privilege Escalation
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/21/2011 🔍
04/01/2011 +11 days 🔍
04/01/2011 +0 days 🔍
05/04/2011 +33 days 🔍
05/31/2011 +27 days 🔍
05/31/2011 +0 days 🔍
10/05/2011 +127 days 🔍
10/05/2011 +0 days 🔍
07/12/2013 +646 days 🔍
03/23/2015 +619 days 🔍
09/03/2024 +3452 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: Bug 692922
Researcher: zx2c4
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1485 (🔍)
GCVE (CVE): GCVE-0-2011-1485
GCVE (VulDB): GCVE-100-57547

OVAL: 🔍

X-Force: 66874
SecurityFocus: 47496 - PolicyKit 'pkexec' Utility and 'polkitd' Daemon Local Race Condition Vulnerability
Secunia: 48817
Vulnerability Center: 31308 - PolicyKit Local Race Condition Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 09/03/2024 06:48
Changes: 03/23/2015 16:50 (66), 03/22/2017 09:35 (19), 11/08/2021 00:53 (5), 11/08/2021 01:01 (1), 09/03/2024 06:48 (14)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!