htmldoc up to 1.9.12 ps-pdf.cxx parse_table stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in htmldoc up to 1.9.12. It has been declared as critical. Affected is the function parse_table of the file ps-pdf.cxx. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2021-23206. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in htmldoc up to 1.9.12 and classified as critical. This vulnerability affects the function parse_table of the file ps-pdf.cxx. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/03/2022 as 416. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-23206 since 04/06/2021. There are known technical details, but no exploit is available.

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 ba61a3ece382389ae4482c7027af8b32e8ab4cc8 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). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: ba61a3ece382389ae4482c7027af8b32e8ab4cc8

Timelineinfo

04/06/2021 🔍
03/03/2022 +331 days 🔍
03/03/2022 +0 days 🔍
01/08/2025 +1042 days 🔍

Sourcesinfo

Advisory: 416
Status: Confirmed

CVE: CVE-2021-23206 (🔍)
GCVE (CVE): GCVE-0-2021-23206
GCVE (VulDB): GCVE-100-194116

Entryinfo

Created: 03/03/2022 08:34
Updated: 01/08/2025 12:32
Changes: 03/03/2022 08:34 (41), 03/04/2022 18:58 (1), 01/08/2025 12:32 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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