DescriptionImproper 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.
SourceCVE (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 PackageReleaseVersionStatus
ppp (PTS)bullseye2.4.9-1+1fixed
sid, trixie2.5.0-1+2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pppsourcewheezy(not affected)
pppsourcejessie(not affected)
pppsourcestretch(not affected)


[stretch] - ppp <not-affected> (Vulnerable code introduced later)
[jessie] - ppp <not-affected> (Vulnerable code introduced later)
[wheezy] - ppp <not-affected> (Vulnerable code introduced later)

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