htmldoc 1.9.12 toc.cxx parse_tree information disclosure

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

Summaryinfo

A vulnerability described as problematic has been identified in htmldoc 1.9.12. This impacts the function parse_tree of the file toc.cxx. Such manipulation leads to information disclosure. This vulnerability is documented as CVE-2021-34121. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in htmldoc 1.9.12. It has been rated as problematic. Affected by this issue is the function parse_tree of the file toc.cxx. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.

The weakness was released 07/18/2023 as 433. The advisory is available at github.com. This vulnerability is handled as CVE-2021-34121 since 06/07/2021. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 213544 (Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS : HTMLDOC vulnerabilities (USN-7189-1)), which helps to determine the existence of the flaw in a target environment.

Applying the patch c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (213544). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 213544
Nessus Name: Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS : HTMLDOC vulnerabilities (USN-7189-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab

Timelineinfo

06/07/2021 🔍
07/18/2023 +771 days 🔍
07/18/2023 +0 days 🔍
01/08/2025 +540 days 🔍

Sourcesinfo

Advisory: 433
Status: Confirmed

CVE: CVE-2021-34121 (🔍)
GCVE (CVE): GCVE-0-2021-34121
GCVE (VulDB): GCVE-100-234386

Entryinfo

Created: 07/18/2023 17:59
Updated: 01/08/2025 12:32
Changes: 07/18/2023 17:59 (42), 08/09/2023 09:26 (11), 01/08/2025 12:32 (21)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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