ChBg 1.5 config.c simplify_path memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

A vulnerability was found in ChBg 1.5. It has been rated as critical. Affected by this issue is the function simplify_path of the file config.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the simplify_path function in config.c for ChBg 1.5 allows remote attackers to execute arbitrary code via a crafted chbg scenario file.

The bug was discovered 12/17/2004. The weakness was released 01/10/2005 by Danny (Website). The advisory is available at xforce.iss.net. This vulnerability is handled as CVE-2004-1264 since 12/20/2004. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

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 24 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 16186 (Debian DSA-644-1 : chbg - buffer overflow), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18595) and Tenable (16186).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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

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Nessus ID: 16186
Nessus Name: Debian DSA-644-1 : chbg - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 53477
OpenVAS Name: Debian Security Advisory DSA 644-1 (chbg)
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OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

12/15/2004 🔍
12/15/2004 +0 days 🔍
12/17/2004 +2 days 🔍
12/20/2004 +3 days 🔍
01/10/2005 +21 days 🔍
01/10/2005 +0 days 🔍
01/18/2005 +8 days 🔍
01/18/2005 +0 days 🔍
05/26/2005 +128 days 🔍
03/10/2015 +3575 days 🔍
06/01/2019 +1544 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Danny
Status: Not defined

CVE: CVE-2004-1264 (🔍)
X-Force: 18595
Vulnerability Center: 8152 - Buffer Overflow in ChBg 1.5, 1.5.8 via simplify_path Function, Medium
SecurityFocus: 11957 - ChBg Scenario File Overflow Vulnerability
OSVDB: 12436 - DSA 644-1 - chbg

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

Entryinfo

Created: 03/10/2015 15:27
Updated: 06/01/2019 23:58
Changes: 03/10/2015 15:27 (70), 06/01/2019 23:58 (11)
Complete: 🔍

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