In curl and libcurl 7.52.0 to and including 7.53.1, libcurl would attempt to resume a TLS session even if the client certificate had changed. That is unacceptable since a server by specification is allowed to skip the client certificate check on resume, and may instead use the old identity which was established by the previous certificate (or no certificate). libcurl supports by default the use of TLS session id/ticket to resume previous TLS sessions to speed up subsequent TLS handshakes. They are used when for any reason an existing TLS connection couldn't be kept alive to make the next handshake faster. This flaw is a regression and identical to CVE-2016-5419 reported on August 3rd 2016, but affecting a different version range.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2018-07-16T13:00:00

Updated: 2024-08-05T16:04:11.554Z

Reserved: 2017-04-05T00:00:00

Link: CVE-2017-7468

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-07-16T13:29:00.287

Modified: 2019-10-09T23:29:37.030

Link: CVE-2017-7468

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-04-19T00:00:00Z

Links: CVE-2017-7468 - Bugzilla