CVE-2016-5420
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Haxx Libcurl
PublishedAug 10, 2016
First seenAug 10, 2016
How to fix
Vendor advisories
- access.redhat.com/errata/RHSA-2018:3558
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLPXQQKURBQFM4XM6645VRPTOE2AWG33/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3GQH4V3XAQ5Z53AMQRDEC3C3UHTW7QR/
- security.gentoo.org/glsa/201701-47
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| haxx libcurl | v ≤ 7.50.0 | — |
| debian debian_linux | 8.0 | — |
| opensuse leap | 42.1 | — |
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