CVE-2018-11574

ppp: Remote client crash in ppp EAP-TLS patch

Published Jun 14, 2018 CVSS 3.1 · 9.8 Critical EPSS 1.9% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2018-3600 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.
Ubuntu USN Ubuntu USN USN-3810-1 ppp vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 3, 2025, 9:09 PM
Reserved
May 30, 2018, 12:00 AM
Status
Modified
Published
Jun 14, 2018, 8:29 PM
Modified
Jun 17, 2026, 1:36 AM
Severity
Moderate
Public date
Jun 12, 2018, 4:16 AM