CVEvulnerability
CVE-2016-3739
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-05-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• haxx curl 7.21.0
• haxx curl 7.21.1
• haxx curl 7.21.2
• haxx curl 7.21.3
• haxx curl 7.21.4
• haxx curl 7.21.5
• haxx curl 7.21.6
• haxx curl 7.21.7
• haxx curl 7.22.0
• haxx curl 7.23.0
• haxx curl 7.23.1
• haxx curl 7.24.0
• haxx curl 7.25.0
• haxx curl 7.26.0
• haxx curl 7.27.0
• haxx curl 7.28.0
• haxx curl 7.28.1
• haxx curl 7.29.0
• haxx curl 7.30.0
• haxx curl 7.31.0
• haxx curl 7.32.0
• haxx curl 7.33.0
• haxx curl 7.34.0
• haxx curl 7.35.0
• haxx curl 7.36.0
• haxx curl 7.38.0
• haxx curl 7.39.0
• haxx curl 7.40.0
• haxx curl 7.41.0
• haxx curl 7.42.0
• haxx curl 7.42.1
• haxx curl 7.43.0
• haxx curl 7.44.0
• haxx curl 7.45.0
• haxx curl 7.46.0
• haxx curl 7.47.0
• haxx curl 7.48.0
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://www.openwall.com/lists/oss-security/2024/03/27/4 www.openwall.com
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html www.oracle.com
- http://www.securityfocus.com/bid/90726 www.securityfocus.com
- http://www.securitytracker.com/id/1035907 www.securitytracker.com
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349 www.slackware.com
- https://curl.haxx.se/CVE-2016-3739.patch Vendor Advisory
- https://curl.haxx.se/changes.html#7_49_0 curl.haxx.se
- https://curl.haxx.se/docs/adv_20160518.html Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 h20566.www2.hpe.com
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 h20566.www2.hpe.com
- https://security.gentoo.org/glsa/201701-47 security.gentoo.org
- http://www.openwall.com/lists/oss-security/2024/03/27/4 www.openwall.com
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html www.oracle.com
- http://www.securityfocus.com/bid/90726 www.securityfocus.com
- http://www.securitytracker.com/id/1035907 www.securitytracker.com
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349 www.slackware.com
- https://curl.haxx.se/CVE-2016-3739.patch Vendor Advisory
- https://curl.haxx.se/changes.html#7_49_0 curl.haxx.se
- https://curl.haxx.se/docs/adv_20160518.html Vendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 h20566.www2.hpe.com
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 h20566.www2.hpe.com
- https://security.gentoo.org/glsa/201701-47 security.gentoo.org