Vulnerability · Published Jun 8, 2020 · Assigned by mitre

CVE-2020-13432

High 7.5

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 30.9% (higher than 98% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)30.9%top 1.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.rejetto.com/hfs/?f=wn x_refsource_MISC
https://github.com/rejetto/hfs2/commit/b8ebfc4e22948e1a61506cd66e397b61ea5ea5de x_refsource_MISC
http://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html x_refsource_MISC
http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt x_refsource_MISC
https://packetstormsecurity.com/files/157980/HFS-Http-File-Server-2.3m-Build-300-Buffer-Overflow.html x_refsource_MISC
20200609 CVE-2020-13432 - HFS HTTP File Server / Remote Buffer Overflow DoS mailing-list, x_refsource_FULLDISC
20210406 Trojan.Win32.Sharer.h / Known Vulnerable Component - Heap Corruption mailing-list, x_refsource_FULLDISC