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Vulnerability details: VCID-5k4b-ja7e-aaan
Vulnerability ID VCID-5k4b-ja7e-aaan
Aliases CVE-2016-3739
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
CWE-345 Insufficient Verification of Data Authenticity
CWE-297 Improper Validation of Certificate with Host Mismatch
System Score Found at
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.00754 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01083 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01972 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.01972 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02225 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02225 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.02818 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.05799 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.05838 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.05838 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
epss 0.05838 https://api.first.org/data/v1/epss?cve=CVE-2016-3739
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1335430
cvssv3.1 High https://curl.se/docs/CVE-2016-3739.html
cvssv3.1 8.1 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
generic_textual HIGH https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
cvssv3.1 8.1 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
generic_textual HIGH https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
cvssv2 2.6 https://nvd.nist.gov/vuln/detail/CVE-2016-3739
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2016-3739
cvssv3.1 5.9 http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
generic_textual MODERATE http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-3739.json
https://api.first.org/data/v1/epss?cve=CVE-2016-3739
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://curl.se/docs/CVE-2016-3739.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3739
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
1335430 https://bugzilla.redhat.com/show_bug.cgi?id=1335430
cpe:2.3:a:haxx:curl:7.21.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.4:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.5:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.6:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.21.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.22.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.22.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.23.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.23.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.23.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.24.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.24.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.25.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.25.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.38.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.38.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.39.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.39.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.40.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.40.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.41.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.41.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.42.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.42.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.42.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.43.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.43.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.44.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.44.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.45.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.45.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.46.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.46.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.47.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.47.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.48.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:7.48.0:*:*:*:*:*:*:*
CVE-2016-3739 https://nvd.nist.gov/vuln/detail/CVE-2016-3739
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2016-3739
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2016-3739
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.81450
EPSS Score 0.00754
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.