Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | 7.21.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2024/03/27/4
- 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=slack
- https://curl.haxx.se/CVE-2016-3739.patchVendor Advisory
- https://curl.haxx.se/changes.html#7_49_0
- https://curl.haxx.se/docs/adv_20160518.htmlVendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c
- https://security.gentoo.org/glsa/201701-47
- http://www.openwall.com/lists/oss-security/2024/03/27/4
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/90726
- http://www.securitytracker.com/id/1035907
FAQ
What is CVE-2016-3739?
CVE-2016-3739 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2016-3739?
CVE-2016-3739 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-3739?
Check the references section above for vendor advisories and patch information. Affected products include: Haxx Curl.