Out-of-bounds read in libhtp



| Updated: 2022-04-21
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10243
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libhtp
Other software / Other software solutions

Vendor Open Information Security Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU36027

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-10243

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in htp_parse_authorization_digest in htp_parsers.c in LibHTP 0.5.26. A remote attacker can perform a heap-based buffer over-read via an authorization digest header.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libhtp: 0.5.26

CPE2.3 External links

https://lists.debian.org/debian-lts-announce/2019/04/msg00010.html
https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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