#VU116899 Resource exhaustion in libhtp - CVE-2024-28871

Vulnerability identifier: #VU116899

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-28871

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libhtp
Other software / Other software solutions

Vendor: Open Information Security Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when parsing HTTP headers. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libhtp: 0.1 - 0.5.47

---

External links
https://github.com/OISF/libhtp/commit/79e713f3e527593a45f545e854cd9e6fbb3cd3ed
https://github.com/OISF/libhtp/commit/bf618ec7f243cebfb0f7e84c3cb158955cb32b4d
https://github.com/OISF/libhtp/security/advisories/GHSA-ffr2-45w9-7wmg
https://redmine.openinfosecfoundation.org/issues/6757

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?