Ray Stode AccountsService up to 0.6.21 accounts-daemon user_change_icon_file_authorized_cb race condition

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ray Stode AccountsService. This issue affects the function user_change_icon_file_authorized_cb in the library usr/libexec/accounts-daemon. Executing a manipulation can lead to race condition. The identification of this vulnerability is CVE-2012-2737. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Ray Stode AccountsService and classified as problematic. This vulnerability affects the function user_change_icon_file_authorized_cb in the library usr/libexec/accounts-daemon. 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. CVE summarizes:

The user_change_icon_file_authorized_cb function in /usr/libexec/accounts-daemon in AccountsService before 0.6.22 does not properly check the UID when copying an icon file to the system cache directory, which allows local users to read arbitrary files via a race condition.

The weakness was shared 07/22/2012 by Florian Weimer as confirmed git commit (GIT Repository). The advisory is shared for download at cgit.freedesktop.org. This vulnerability was named CVE-2012-2737 since 05/14/2012. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 74672 (openSUSE Security Update : accountsservice (openSUSE-SU-2012:0845-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 0.6.17 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (76648), Tenable (74672), SecurityFocus (BID 54223†), OSVDB (83398†) and Secunia (SA49695†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74672
Nessus Name: openSUSE Security Update : accountsservice (openSUSE-SU-2012:0845-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 864524
OpenVAS Name: Fedora Update for accountsservice FEDORA-2012-10120
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: AccountsService 0.6.17
Patch: cgit.freedesktop.org

Timelineinfo

05/14/2012 🔍
06/28/2012 +45 days 🔍
06/28/2012 +0 days 🔍
06/29/2012 +1 days 🔍
07/10/2012 +11 days 🔍
07/22/2012 +12 days 🔍
07/22/2012 +0 days 🔍
06/13/2014 +691 days 🔍
03/23/2015 +283 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Advisory: USN-1485-1
Researcher: Florian Weimer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2737 (🔍)
GCVE (CVE): GCVE-0-2012-2737
GCVE (VulDB): GCVE-100-61384

OVAL: 🔍

X-Force: 76648
SecurityFocus: 54223 - AccountsService 'user_change_icon_file_authorized_cb()' Function File Disclosure Vulnerability
Secunia: 49695 - accountsservice "user_change_icon_file_authorized_cb()" File Disclosure Vulnerab, Not Critical
OSVDB: 83398
Vulnerability Center: 35503 - AccountsService 0.6 \x27SetIconFile()\x27 Method Local Information Disclosure Vulnerability, Low

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 19:34
Changes: 03/23/2015 16:50 (66), 04/14/2017 14:01 (14), 12/06/2021 19:27 (3), 12/06/2021 19:34 (1)
Complete: 🔍
Cache ID: 216:1CD:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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