CVE-2016-5420

Published: Aug 10, 2016Modified: May 6, 2026

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.

Affected (3)

Products: Debian: Debian Linux · Haxx: Libcurl · Opensuse: Leap

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Haxx Libcurl	Up to 7.50.0

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 42.1

Related CWEs

Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

References (36)

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

Third Party Advisory

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

Third Party Advisory

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

Source: secalert@redhat.com

http://www.securityfocus.com/bid/92309

Source: secalert@redhat.com

http://www.securitytracker.com/id/1036537

Source: secalert@redhat.com

http://www.securitytracker.com/id/1036739

Source: secalert@redhat.com

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

https://curl.haxx.se/docs/adv_20160803B.html

Source: secalert@redhat.com

MitigationPatchVendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/92309

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securitytracker.com/id/1036537

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securitytracker.com/id/1036739

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

https://curl.haxx.se/docs/adv_20160803B.html

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationPatchVendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.