CVE-2021-41054

Public Exploit

Description

tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Third-Party Advisory github.com Third-Party Advisory debian.org Third-Party Advisory sourceforge.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceforge.net/p/atftp/code/ci/d255bf90834fb45be52decf9bc0b4fb46c90f205/ third party advisory patch
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41054 third party advisory exploit
https://lists.debian.org/debian-lts-announce/2021/11/msg00014.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-41054?
CVE-2021-41054 has been scored as a high severity vulnerability.
How to fix CVE-2021-41054?
To fix CVE-2021-41054, 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-2021-41054 being actively exploited in the wild?
It is possible that CVE-2021-41054 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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