CVE-2017-7468

Name	CVE-2017-7468
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
curl (PTS)	jessie, jessie (lts)	7.38.0-4+deb8u28	fixed
	stretch (security)	7.52.1-5+deb9u16	fixed
	stretch (lts), stretch	7.52.1-5+deb9u22	fixed
	buster, buster (lts)	7.64.0-4+deb10u10	fixed
	buster (security)	7.64.0-4+deb10u9	fixed
	bullseye	7.74.0-1.3+deb11u13	fixed
	bullseye (security)	7.74.0-1.3+deb11u14	fixed
	bookworm	7.88.1-10+deb12u8	fixed
	bookworm (security)	7.88.1-10+deb12u5	fixed
	sid, trixie	8.11.0-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
curl	source	wheezy	(not affected)
curl	source	jessie	(not affected)
curl	source	(unstable)	7.52.1-5

Notes

[jessie] - curl <not-affected> (Only affects 7.52 and later)
[wheezy] - curl <not-affected> (Only affects 7.52 and later)
https://curl.haxx.se/docs/adv_20170419.html