| 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, 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) | jessie, jessie (lts) | 2.4.6-3.1+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 2.4.7-1+4+deb9u1 | fixed |
| buster (security), buster, buster (lts) | 2.4.7-2+4.1+deb10u1 | fixed |
| bullseye | 2.4.9-1+1 | fixed |
| bookworm | 2.4.9-1+1.1 | fixed |
| sid, trixie | 2.5.0-1+2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| 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