CVE-2016-5419

moderate-risk

Published 2016-08-10

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.

Do I need to act?

2.0% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (3)

Libcurl

Debian Linux

Leap

Affected Vendors

Debian Haxx Opensuse

References (38)

http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html

Third Party Advisory http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html

http://rhn.redhat.com/errata/RHSA-2016-2575.html

http://rhn.redhat.com/errata/RHSA-2016-2957.html

Third Party Advisory http://www.debian.org/security/2016/dsa-3638

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html

http://www.securityfocus.com/bid/92292

http://www.securityfocus.com/bid/92319

http://www.securitytracker.com/id/1036538

http://www.securitytracker.com/id/1038341

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slack...

http://www.ubuntu.com/usn/USN-3048-1

https://access.redhat.com/errata/RHSA-2018:3558

Mitigation https://curl.haxx.se/docs/adv_20160803A.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

https://security.gentoo.org/glsa/201701-47

https://source.android.com/security/bulletin/2016-12-01.html

https://www.tenable.com/security/tns-2016-18

http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html

and 18 more references

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 5/34 · Minimal

Exposure 9/34 · Low