Out-of-bounds read in libhtp - CVE-2018-10243

 

Out-of-bounds read in libhtp - CVE-2018-10243

Published: April 4, 2019 / Updated: April 21, 2022


Vulnerability identifier: #VU36027
CSH Severity: High
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Open Information Security Foundation
Affected software:
libhtp

Detailed vulnerability 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.


How to mitigate CVE-2018-10243

Install update from vendor's website.

Sources