CVE-2016-5420

Impact:
Low
Public Date:
2016-08-03
CWE:
CWE-295
Bugzilla:
1362190: CVE-2016-5420 curl: Re-using connection with wrong client cert
It was found that the libcurl library did not check the client certificate when choosing the TLS connection to reuse. An attacker could potentially use this flaw to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.

Find out more about CVE-2016-5420 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:N/AC:M/Au:S/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

CVSS v3 metrics

CVSS3 Base Score 4.2
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat JBoss Core Services 1 RHSA-2016:2957 2016-12-15
Red Hat Software Collections for Red Hat Enterprise Linux 6 (httpd24-curl) RHSA-2018:3558 2018-11-13
Red Hat Software Collections for Red Hat Enterprise Linux 7 (httpd24-curl) RHSA-2018:3558 2018-11-13
Red Hat Enterprise Linux 7 (curl) RHSA-2016:2575 2016-11-03

Affected Packages State

Platform Package State
Red Hat JBoss Web Server 3.0 curl Will not fix
Red Hat Enterprise Linux 6 curl Will not fix
Red Hat Enterprise Linux 5 curl Will not fix
RHEV Manager 3 mingw-virt-viewer Will not fix
.NET Core 2.0 on Red Hat Enterprise Linux rh-dotnet20-curl Will not fix
.NET Core 2.0 on Red Hat Enterprise Linux rh-dotnet21-curl Will not fix
.NET Core 1.0 on Red Hat Enterprise Linux rh-dotnetcore10-curl Will not fix
.NET Core 1.0 on Red Hat Enterprise Linux rh-dotnetcore11-curl Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

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