bzip2 up to 1.0.2 privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in bzip2 up to 1.0.2. It has been rated as problematic. The affected element is an unknown function. This manipulation causes privileges management. This vulnerability is registered as CVE-2005-0953. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in bzip2 up to 1.0.2 and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

race condition in bzip2 1.0.2 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed whose permissions are changed by bzip2 after the decompression is complete.

The bug was discovered 03/30/2005. The weakness was published 05/02/2005 by Imran Ghory (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2005-0953 since 04/03/2005. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 33 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 18307 (Mandrake Linux Security Advisory : bzip2 (MDKSA-2005:091)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117757 (CentOS Security Update for Bzip2 (CESA-2005:474)).

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

The vulnerability is also documented in the databases at X-Force (22619), Tenable (18307), SecurityFocus (BID 12954†), OSVDB (15237†) and Secunia (SA15939†). Similar entries are available at VDB-1498, VDB-33454, VDB-34769 and VDB-34694. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.9
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
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: 18307
Nessus Name: Mandrake Linux Security Advisory : bzip2 (MDKSA-2005:091)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53559
OpenVAS Name: Debian Security Advisory DSA 730-1 (bzip2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/30/2005 🔍
03/30/2005 +0 days 🔍
03/31/2005 +1 days 🔍
04/03/2005 +3 days 🔍
05/02/2005 +29 days 🔍
05/02/2005 +0 days 🔍
05/18/2005 +16 days 🔍
05/19/2005 +1 days 🔍
05/25/2005 +6 days 🔍
03/10/2015 +3576 days 🔍
06/06/2019 +1549 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: Imran Ghory
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-0953 (🔍)
GCVE (CVE): GCVE-0-2005-0953
GCVE (VulDB): GCVE-100-24745

OVAL: 🔍

X-Force: 22619
SecurityFocus: 12954 - bzip2 chmod File Permission Modification Race Condition Weakness
Secunia: 15939
OSVDB: 15237 - bzip2 TOCTOU symlink
Vulnerability Center: 8122 - Bzip2 <= 1.0.2 Allows Permission Modification of Arbitrary Files, Medium
Vupen: ADV-2007-3525

See also: 🔍

Entryinfo

Created: 03/10/2015 23:05
Updated: 06/06/2019 11:05
Changes: 03/10/2015 23:05 (75), 06/06/2019 11:05 (8)
Complete: 🔍
Cache ID: 216:343:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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