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Improper Authorization Affecting curl package, versions <7.35.0-1ubuntu2.8

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.5% (77th percentile)

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  • Snyk IDSNYK-UBUNTU1404-CURL-358892
  • published10 Aug 2016
  • disclosed10 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 10 Aug 2016

CVE-2016-5420  (opens in a new tab)
CWE-285  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 curl to version 7.35.0-1ubuntu2.8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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.

References