CVE-2021-21813

Public Exploit

Description

Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Third-Party Advisory talosintelligence.com
Affected: n/a AT&T
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21813?
CVE-2021-21813 has been scored as a high severity vulnerability.
How to fix CVE-2021-21813?
To fix CVE-2021-21813, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21813 being actively exploited in the wild?
It is possible that CVE-2021-21813 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21813?
CVE-2021-21813 affects n/a AT&T.
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