bzip bzip2 1.0/1.0.1/1.0.2/1.0.3/1.0.4 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

A vulnerability was found in bzip bzip2 1.0/1.0.1/1.0.2/1.0.3/1.0.4. It has been rated as problematic. This issue affects an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.

The weakness was released 04/16/2014 by vladz (Website). It is possible to read the advisory at bugs.debian.org. The identification of this vulnerability is CVE-2011-4089 since 10/18/2011. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed by vladz in ANSI C and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 57315 (Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : bzip2 vulnerability (USN-1308-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195170 (Ubuntu Security Notification for Bzip2 Vulnerability (USN-1308-1)).

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 (71446), Exploit-DB (18147), Tenable (57315), SecurityFocus (BID 50409†) and Vulnerability Center (SBV-35235†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: vladz
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57315
Nessus Name: Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : bzip2 vulnerability (USN-1308-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 840839
OpenVAS Name: Ubuntu Update for bzip2 USN-1308-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2011 🔍
10/28/2011 +10 days 🔍
11/23/2011 +26 days 🔍
11/23/2011 +0 days 🔍
11/23/2011 +0 days 🔍
12/15/2011 +22 days 🔍
05/31/2012 +168 days 🔍
04/16/2014 +685 days 🔍
04/16/2014 +0 days 🔍
03/25/2015 +343 days 🔍
01/05/2025 +3574 days 🔍

Sourcesinfo

Advisory: USN-1308-1
Researcher: vladz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4089 (🔍)
GCVE (CVE): GCVE-0-2011-4089
GCVE (VulDB): GCVE-100-69371

OVAL: 🔍

X-Force: 71446
SecurityFocus: 50409 - bzexe '/tmp/$prog' Insecure Temporary File Creation Privilege Escalation Vulnerability
Vulnerability Center: 35235 - Bzexe Local Arbitrary Code Execution Vulnerability, High

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

Entryinfo

Created: 03/25/2015 04:45 PM
Updated: 01/05/2025 08:55 PM
Changes: 03/25/2015 04:45 PM (60), 04/13/2017 12:55 PM (18), 03/15/2022 10:15 AM (3), 03/15/2022 10:20 AM (1), 08/30/2024 06:11 AM (14), 01/05/2025 08:55 PM (2)
Complete: 🔍
Cache ID: 18:F05:40

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