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CVE-2018-16890

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2020-4298-01
Posted Oct 27, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4298-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include code execution, cross site scripting, and denial of service vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2013-0169, CVE-2016-10739, CVE-2018-14404, CVE-2018-14498, CVE-2018-16890, CVE-2018-18074, CVE-2018-18624, CVE-2018-18751, CVE-2018-19519, CVE-2018-20060, CVE-2018-20337, CVE-2018-20483, CVE-2018-20657, CVE-2018-20852, CVE-2018-9251, CVE-2019-1010180, CVE-2019-1010204, CVE-2019-11070, CVE-2019-11236, CVE-2019-11324, CVE-2019-11358, CVE-2019-11459, CVE-2019-12447, CVE-2019-12448, CVE-2019-12449, CVE-2019-12450
SHA-256 | b21e4b6db18910bfdf465e20ef86844c5bb5f82b4312bf2f74efe50f227b2c78
Red Hat Security Advisory 2019-3701-01
Posted Nov 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3701-01 - The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Issues addressed include a buffer overflow vulnerability.

tags | advisory, web, overflow, protocol
systems | linux, redhat
advisories | CVE-2018-16890, CVE-2018-20483, CVE-2019-3822, CVE-2019-3823
SHA-256 | d57927f60f9bb3de6d8189bd654e44a49857cc31223d9c50f6272fc993f1255f
Slackware Security Advisory - curl Updates
Posted Feb 7, 2019
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New curl packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2018-16890, CVE-2019-3822, CVE-2019-3823
SHA-256 | 55bfd78a791cb07eb86d9eb4ab83a37d47182932d30e450c37338132fe078005
Debian Security Advisory 4386-1
Posted Feb 7, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4386-1 - Multiple vulnerabilities were discovered in cURL, an URL transfer library.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2018-16890, CVE-2019-3822, CVE-2019-3823
SHA-256 | 389920e5b0a54ae3c59ca15c0208b0912c4ae38e63794ae0abf9317bbce73127
Ubuntu Security Notice USN-3882-1
Posted Feb 6, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3882-1 - Wenxiang Qian discovered that curl incorrectly handled certain NTLM authentication messages. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2 authentication messages. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-16890, CVE-2019-3822, CVE-2019-3823
SHA-256 | 8730f1a95efb3ad9f330fd2c5e6d04c57d0239a933014e5309ef2e03007ce512
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