CVE-2018-16890

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2018-16890

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2019-02-06T20:29:00

Last Modified Date
2020-09-18T16:33:46

Weakness Enumerations

CWE	URL
CWE-125	http://cwe.mitre.org/data/definitions/125.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:haxx:libcurl::::::::	1	OR	7.36.0	7.64.0
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:netapp:clustered_data_ontap::::::::	1	OR
cpe:2.3:a:siemens:sinema_remote_connect_client::::::::	1	OR		2.0
cpe:2.3:a:oracle:communications_operations_monitor:3.4:::::::*	1	OR
cpe:2.3:a:oracle:communications_operations_monitor:4.0:::::::*	1	OR
cpe:2.3:a:oracle:http_server:12.2.1.3.0:::::::*	1	OR
cpe:2.3:a:oracle:secure_global_desktop:5.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	1	OR
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	1	OR	13.1.0	13.1.3
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	1	OR	14.0.0	14.1.2
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	1	OR	15.0.0	15.0.1

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://curl.haxx.se/docs/CVE-2018-16890.html	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16890	Issue Tracking Mitigation Patch Third Party Advisory
https://www.debian.org/security/2019/dsa-4386	Third Party Advisory
https://usn.ubuntu.com/3882-1/	Third Party Advisory
http://www.securityfocus.com/bid/106947	Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20190315-0001/	Patch Third Party Advisory
https://lists.apache.org/thread.html/8338a0f605bdbb3a6098bb76f666a95fc2b2f53f37fa1ecc89f1146f@%3Cdevnull.infra.apache.org%3E	Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-436177.pdf	Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html	Patch Third Party Advisory
https://support.f5.com/csp/article/K03314397?utm_source=f5support&utm_medium=RSS	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3701	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-16890
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16890

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:14:14				Added to TrackCVE
2022-12-03 17:12:06	2019-02-06T20:29Z	2019-02-06T20:29:00	CVE Published Date	updated
2022-12-03 17:12:06		2020-09-18T16:33:46	CVE Modified Date	updated
2022-12-03 17:12:06		Analyzed	Vulnerability Status	updated