5.3med
CVE-2016-3739
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 libcur…
Published 10 y ago · modified 4 mo ago · JSON
CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
6.9%
percentile 94%
Public exploits
0
none known
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.
Exploit prediction (EPSS)
6.93% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 2.6 | AV:N/AC:H/Au:N/C:N/I:P/A:N |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- h20566.www2.hpe.com /portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149 · x_transferred
- securitytracker.com /id/1035907 · vdb-entry, x_transferred
- curl.haxx.se /docs/adv_20160518.html · x_transferred
- slackware.com /security/viewer.php?l=slackware-security&y=2016&m=slackware-security.495349 · vendor-advisory, x_transferred
- securityfocus.com /bid/90726 · vdb-entry, x_transferred
- curl.haxx.se /CVE-2016-3739.patch · x_transferred
- h20566.www2.hpe.com /portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 · x_transferred
- oracle.com /technetwork/security-advisory/cpuoct2018-4428296.html · x_transferred
- security.gentoo.org /glsa/201701-47 · vendor-advisory, x_transferred
- curl.haxx.se /changes.html#7_49_0 · x_transferred
- openwall.com /lists/oss-security/2024/03/27/4 · mailing-list, x_transferred
Sources
- CVE List: CVE-2016-3739
- NVD: CVE-2016-3739
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