CVE-2021-35331
Tcl Format String Vulnerability (Code Execution)
Description
In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding
INFO
Published Date :
July 5, 2021, 3:15 p.m.
Last Modified :
Aug. 4, 2024, 1:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-35331.
| URL | Resource |
|---|---|
| https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2 | Exploit Patch Vendor Advisory |
| https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280 | Exploit Vendor Advisory |
| https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222 | Patch Third Party Advisory |
| https://sqlite.org/forum/info/7dcd751996c93ec9 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-35331 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-35331 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding. In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding -
Modified Analysis by [email protected]
Sep. 20, 2021
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 30, 2021
Action Type Old Value New Value Changed Description ** DISPUTED ** In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crated file. NOTE: multiple third parties dispute the significance of this finding. ** DISPUTED ** In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of this finding. -
Initial Analysis by [email protected]
Jul. 10, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2 No Types Assigned https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2 Exploit, Patch, Vendor Advisory Changed Reference Type https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280 No Types Assigned https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280 Exploit, Vendor Advisory Changed Reference Type https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222 No Types Assigned https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222 Patch, Third Party Advisory Changed Reference Type https://sqlite.org/forum/info/7dcd751996c93ec9 No Types Assigned https://sqlite.org/forum/info/7dcd751996c93ec9 Exploit, Third Party Advisory Added CWE NIST CWE-134 Added CPE Configuration OR *cpe:2.3:a:tcl:tcl:8.6.11:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 05, 2021
Action Type Old Value New Value Changed Description In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crated file. NOTE: multiple third parties dispute the significance of this finding. ** DISPUTED ** In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crated file. NOTE: multiple third parties dispute the significance of this finding.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-35331 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-35331
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.50 }} 0.09%
score
0.76820
percentile