CVE-2016-5419

Description

curl and libcurl before 7.50.1 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.90% Top 15%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory slackware.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory haxx.se
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2016-2575.html vendor advisory
http://www.securityfocus.com/bid/92319 vdb entry
http://www.securityfocus.com/bid/92292 vdb entry
https://curl.haxx.se/docs/adv_20160803A.html patch vendor advisory mitigation
https://access.redhat.com/errata/RHSA-2018:3558 vendor advisory
https://source.android.com/security/bulletin/2016-12-01.html
http://www.securitytracker.com/id/1038341 vdb entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059 vendor advisory
http://www.debian.org/security/2016/dsa-3638 third party advisory vendor advisory
http://www.securitytracker.com/id/1036538 vdb entry
http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html vendor advisory
https://www.tenable.com/security/tns-2016-18
http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/ vendor advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/ vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html vendor advisory
https://security.gentoo.org/glsa/201701-47 vendor advisory
http://www.ubuntu.com/usn/USN-3048-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-5419?
CVE-2016-5419 has been scored as a high severity vulnerability.
How to fix CVE-2016-5419?
To fix CVE-2016-5419, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-5419 being actively exploited in the wild?
It is possible that CVE-2016-5419 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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