Jed Wing Chm Lib up to 0.35 chm_lib.c _chm_find_in_pmgl memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Jed Wing Chm Lib up to 0.35. It has been declared as critical. The impacted element is the function _chm_find_in_pmgl in the library chm_lib.c. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2005-2930. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Jed Wing Chm Lib up to 0.35. This vulnerability affects the function _chm_find_in_pmgl in the library chm_lib.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in the _chm_find_in_PMGL function in chm_lib.c for chmlib before 0.36, as used in products such as KchmViewer, allows user-assisted attackers to execute arbitrary code via a CHM file containing a long element, a different vulnerability than CVE-2005-3318.

The weakness was shared 10/28/2005 (Website). The advisory is shared for download at idefense.com. This vulnerability was named CVE-2005-2930 since 09/15/2005. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22752 (Debian DSA-886-1 : chmlib - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 0.36 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (22885), Tenable (22752), SecurityFocus (BID 15234†), Secunia (SA17775†) and SecurityTracker (ID 1015120†). The entries VDB-26873 and VDB-26681 are related to this item. 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: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22752
Nessus Name: Debian DSA-886-1 : chmlib - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 55814
OpenVAS Name: Debian Security Advisory DSA 886-1 (chmlib)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chm Lib 0.36

Timelineinfo

09/15/2005 🔍
10/28/2005 +43 days 🔍
10/28/2005 +0 days 🔍
10/28/2005 +0 days 🔍
10/28/2005 +0 days 🔍
11/01/2005 +4 days 🔍
03/11/2015 +3417 days 🔍
07/06/2021 +2309 days 🔍

Sourcesinfo

Advisory: idefense.com⛔
Status: Confirmed

CVE: CVE-2005-2930 (🔍)
GCVE (CVE): GCVE-0-2005-2930
GCVE (VulDB): GCVE-100-26704
X-Force: 22885
SecurityFocus: 15234 - Jed Wing CHM Lib _chm_find_in_PMGL Stack Buffer Overflow Vulnerability
Secunia: 17775
SecurityTracker: 1015120 - chmlib Buffer Overflow in *_chm_find_in_PMGL() Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 9526 - Chmlib before 0.36 Buffer Overflow via CHM Files, Medium
Vupen: ADV-2005-2249

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/06/2021 10:23
Changes: 03/11/2015 23:39 (65), 08/21/2017 10:21 (10), 07/06/2021 10:23 (3)
Complete: 🔍
Cache ID: 216::103

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