TCL 8.6.11 nmakehlp.c format string ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in TCL 8.6.11. Affected by this vulnerability is an unknown functionality of the file nmakehlp.c. Performing a manipulation results in format string. This vulnerability is cataloged as CVE-2021-35331. There is no exploit available. The actual existence of this vulnerability is currently in question. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in TCL 8.6.11. This affects an unknown functionality of the file nmakehlp.c. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 07/05/2021. The advisory is shared at core.tcl-lang.org. This vulnerability is uniquely identified as CVE-2021-35331. Technical details are known, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

06/23/2021 🔍
07/05/2021 +12 days 🔍
07/05/2021 +0 days 🔍
08/04/2024 +1126 days 🔍

Sourcesinfo

Advisory: core.tcl-lang.org
Status: Confirmed
Disputed: 🔍

CVE: CVE-2021-35331 (🔍)
GCVE (CVE): GCVE-0-2021-35331
GCVE (VulDB): GCVE-100-177969

Entryinfo

Created: 07/05/2021 18:25
Updated: 08/04/2024 03:35
Changes: 07/05/2021 18:25 (38), 07/09/2021 22:35 (5), 08/04/2024 03:35 (34)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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