MEDIUM5.3
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 2.0LOW 2.6
CVSS:2.0/AV:N/AC:H/Au:N/C:N/I:P/A:NCVSS 3.xMEDIUM 5.3
CVSS:3.x/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:NReferences
- 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=slackware-security.495349
- https://curl.haxx.se/CVE-2016-3739.patch
- https://curl.haxx.se/changes.html#7_49_0
- 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
- 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
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349
- https://curl.haxx.se/CVE-2016-3739.patch
- https://curl.haxx.se/changes.html#7_49_0
- 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
- https://security.gentoo.org/glsa/201701-47