VULNERABILITY INTELLIGENCE

CVE-2018-11574

CVSS score9.8 CRITICAL

EPSS probability1.87%

CISA KEVNot currently listed

Published2018-06-14

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-20: Improper Input Validation
CWE-190: Integer Overflow or Wraparound

Primary references

cve@mitre.org — Mailing List, Patch, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory