CVE-2016-5420
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 10 Aug 2016, 14:00
Last modified:06 Aug 2024, 01:01
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
1.07% LOW
1% probability -0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
10 Aug 2016, 14:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:01
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 1.07%• Percentile: 78%
Techniques & Countermeasures
- CWE-285•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.
Affected Systems
- debian•debian_linux
8.0
- haxx•libcurl
≤ 7.50.0
- opensuse•leap
42.1
References (18)
- http://rhn.redhat.com/errata/RHSA-2016-2575.html
- https://access.redhat.com/errata/RHSA-2018:3558
- http://www.securityfocus.com/bid/92309
- https://source.android.com/security/bulletin/2016-12-01.html
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.563059
- http://www.securitytracker.com/id/1036739
- http://www.debian.org/security/2016/dsa-3638
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00011.html
- https://www.tenable.com/security/tns-2016-18
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html
- http://www.securitytracker.com/id/1036537
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://curl.haxx.se/docs/adv_20160803B.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- https://security.gentoo.org/glsa/201701-47
- http://www.ubuntu.com/usn/USN-3048-1