unbounded folded header handling leads to denial service

High

victorjulien published GHSA-f9wf-rrjj-qx8m

Feb 26, 2024

Package

libhtp

Affected versions

<= 0.5.45

Patched versions

0.5.46

Description

Impact

Crafted traffic can cause excessive processing time of HTTP headers, leading to denial of service.

Patches

This issue is addressed in 0.5.46.

References

https://redmine.openinfosecfoundation.org/issues/6444

Credits

Found by OSS-Fuzz

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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