CVE-2020-13432

Public Exploit

Description

rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 9.31% Top 10%
Vendor Advisory rejetto.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.rejetto.com/hfs/?f=wn release notes vendor advisory
https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de third party advisory patch
http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html exploit vdb entry third party advisory
http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt third party advisory exploit
https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html exploit vdb entry third party advisory
http://seclists.org/fulldisclosure/2020/Jun/13 mailing list exploit third party advisory
http://seclists.org/fulldisclosure/2021/Apr/12 mailing list

Frequently Asked Questions

What is the severity of CVE-2020-13432?
CVE-2020-13432 has been scored as a high severity vulnerability.
How to fix CVE-2020-13432?
To fix CVE-2020-13432, 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-2020-13432 being actively exploited in the wild?
It is possible that CVE-2020-13432 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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