CVE-2018-11574

Name	CVE-2018-11574
Description	Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, 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
ppp (PTS)	bullseye	2.4.9-1+1	fixed
	bookworm	2.4.9-1+1.1	fixed
	forky, sid, trixie	2.5.2-1+1	fixed

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

Package	Type	Release	Fixed Version
ppp	source	wheezy	(not affected)
ppp	source	jessie	(not affected)
ppp	source	stretch	(not affected)
ppp	source	(unstable)	2.4.7-2+3

Notes

[stretch] - ppp <not-affected> (Vulnerable code introduced later)
[jessie] - ppp <not-affected> (Vulnerable code introduced later)
[wheezy] - ppp <not-affected> (Vulnerable code introduced later)
https://www.openwall.com/lists/oss-security/2018/06/11/1
https://www.nikhef.nl/~janjust/ppp/ppp-2.4.7-eaptls-mppe-1.101.patch