CVE-2021-35331 — HIGH (7.8)

Vulnerability 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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tcl	Tcl	8.6.11

Related Weaknesses (CWE)

CWE-134

References

https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2ExploitPatchVendor Advisory
https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280ExploitVendor Advisory
https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222PatchThird Party Advisory
https://sqlite.org/forum/info/7dcd751996c93ec9ExploitThird Party Advisory
https://core.tcl-lang.org/tcl/info/28ef6c0c741408a2ExploitPatchVendor Advisory
https://core.tcl-lang.org/tcl/info/bad6cc213dfe8280ExploitVendor Advisory
https://github.com/tcltk/tcl/commit/4705dbdde2f32ff90420765cd93e7ac71d81a222PatchThird Party Advisory
https://sqlite.org/forum/info/7dcd751996c93ec9ExploitThird Party Advisory

FAQ

What is CVE-2021-35331?

CVE-2021-35331 is a vulnerability with a CVSS score of 7.8 (HIGH). 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

How severe is CVE-2021-35331?

CVE-2021-35331 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-35331?

Check the references section above for vendor advisories and patch information. Affected products include: Tcl Tcl.