bzip2 up to 1.0.3 bzip2 Archive Decompressor infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability has been found in bzip2 up to 1.0.3 and classified as critical. This vulnerability affects an unknown function of the component bzip2 Archive Decompressor. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. CVE summarizes:

bzip2 allows remote attackers to cause a denial of service (hard drive consumption) via a crafted bzip2 file that causes an infinite loop (a.k.a "decompression bomb").

The bug was discovered 05/04/2005. The weakness was presented 05/23/2005 by Chris Evans with Google Chrome Security Team (Website). The advisory is available at scary.beasts.org. This vulnerability was named CVE-2005-1260 since 04/25/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

After even before and not, there has been an exploit disclosed. It is possible to download the exploit at scary.beasts.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 18645 (Debian DSA-741-1 : bzip2 - infinite loop), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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. Applying a patch is able to eliminate this problem. The bugfix is ready for download at bzip.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (20754) and Tenable (18645). See 24745, 33454, 34694 and 39720 for similar entries.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 18645
Nessus Name: Debian DSA-741-1 : bzip2 - infinite loop
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 54187
OpenVAS Name: Debian Security Advisory DSA 741-1 (bzip2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: bzip.org

Timelineinfo

04/25/2005 🔍
05/04/2005 +9 days 🔍
05/17/2005 +13 days 🔍
05/17/2005 +0 days 🔍
05/19/2005 +2 days 🔍
05/20/2005 +1 days 🔍
05/23/2005 +3 days 🔍
05/23/2005 +0 days 🔍
05/23/2005 +0 days 🔍
06/01/2005 +8 days 🔍
07/07/2005 +36 days 🔍
07/08/2005 +1 days 🔍
07/13/2005 +5 days 🔍
03/11/2021 +5720 days 🔍

Sourcesinfo

Advisory: scary.beasts.org
Researcher: Chris Evans
Organization: Google Chrome Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-1260 (🔍)
OVAL: 🔍

X-Force: 20754
Vulnerability Center: 8558 - DoS in Bzip2 via Crafted Files, Medium
SecurityFocus: 13657 - bzip2 Remote Denial of Service Vulnerability
Secunia: 15447 - bzip2 Decompression Denial of Service Vulnerability, Less Critical
OSVDB: 16767 - bzip2 Malformed Archive Decompression DoS
Vupen: ADV-2007-3525

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

Entryinfo

Created: 06/01/2005 13:39
Updated: 03/11/2021 11:49
Changes: 06/01/2005 13:39 (95), 06/08/2017 23:45 (7), 03/11/2021 11:49 (2)
Complete: 🔍

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