Heap-based Buffer Over-read in libsoup's soup_ntlm_parse_challenge() Function

Heap-based Buffer Over-read in libsoup's soup_ntlm_parse_challenge() Function

CVE-2019-17266 · CRITICAL Severity

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

libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.

Learn more about our Web Application Penetration Testing UK.