Allocation of Resources Without Limits or Throttling in libhtp - CVE-2024-23837

Vulnerability identifier: #VU87579

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2024-23837

CWE-ID: CWE-770

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to unbounded folded header handling. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

libhtp
Fedora
Ubuntu
libhtp (Ubuntu package)
suricata
Kaspersky Anti Targeted Attack

Install updates from vendor's website.

libhtp - update to 0.5.46
libhtp (Ubuntu package) - addressed in versions 0.5.15-1ubuntu0.1~esm1, 1:0.5.26-1ubuntu0.1~esm1, 1:0.5.32-1ubuntu0.1~esm1, 1:0.5.39-1ubuntu0.1~esm1, 1:0.5.46-1ubuntu2+esm1, 1:0.5.49-1ubuntu0.1
Kaspersky Anti Targeted Attack - update to 6.0.2
suricata - addressed in versions 6.0.16-1.el8, 6.0.16-1.el9, 6.0.16-1.fc38, 6.0.16-1.fc39

• https://github.com/OISF/libhtp/security/advisories/GHSA-f9wf-rrjj-qx8m
• https://github.com/OISF/libhtp/commit/20ac301d801cdf01b3f021cca08a22a87f477c4a
• https://redmine.openinfosecfoundation.org/issues/6444
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/

• Denial of service in libhtp
• Fedora EPEL 9 update for suricata
• Fedora EPEL 8 update for suricata
• Fedora 39 update for suricata
• Fedora 38 update for suricata
• Kaspersky Anti Targeted Attack update for Suricata
• Ubuntu update for libhtp