CVE-2016-3739MEDIUM
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
The (1) mbed_connect_step1 function in lib/vtls/mbedtls.c and (2) polarssl_connect_step1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid certificate.
References
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/90726
http://www.securitytracker.com/id/1035907
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349
https://curl.haxx.se/changes.html#7_49_0
https://curl.haxx.se/CVE-2016-3739.patch
https://curl.haxx.se/docs/adv_20160518.html
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Details
Source: MITRE
Published: 2016-05-20
Updated: 2018-10-17
Type: CWE-20
Risk Information
CVSS v2
Base Score: 2.6
Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 4.9
Severity: LOW
CVSS v3
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Impact Score: 3.6
Exploitability Score: 1.6
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:haxx:curl:7.21.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.4:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.5:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.6:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.22.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.24.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.25.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.38.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.39.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.40.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.41.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.43.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.44.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.45.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.46.0:*:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 137468 | EulerOS 2.0 SP2 : curl (EulerOS-SA-2020-1626) | Nessus | Huawei Local Security Checks | critical |
| 99930 | Oracle Secure Global Desktop Multiple Vulnerabilities (April 2017 CPU) (SWEET32) | Nessus | Misc. | critical |
| 96644 | GLSA-201701-47 : cURL: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | critical |
| 9762 | cURL/libcurl 7.x < 7.49.0 Information Disclosure | Nessus Network Monitor | Web Clients | low |
| 94654 | HP System Management Homepage < 7.6 Multiple Vulnerabilities (HPSBMU03653) (httpoxy) | Nessus | Web Servers | high |
| 802007 | cURL >= 7.21.0 and < 7.49.0 MitM Spoofing | Log Correlation Engine | Web Clients | medium |
| 91285 | Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : curl (SSA:2016-141-01) | Nessus | Slackware Local Security Checks | medium |