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F5 Networks: K03314397 (CVE-2018-16890): libcurl vulnerability CVE-2018-16890

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F5 Networks: K03314397 (CVE-2018-16890): libcurl vulnerability CVE-2018-16890

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
02/07/2019
Created
03/05/2020
Added
10/24/2019
Modified
10/24/2019

Description

libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds.

Solution(s)

  • f5-big-ip-upgrade-latest

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