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CVE-2018-11574

Publication date 14 June 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
ppp 18.10 cosmic
Fixed 2.4.7-2+3ubuntu1
18.04 LTS bionic
Fixed 2.4.7-2+2ubuntu1.1
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 2.4.7-1+2ubuntu1.16.04.1
14.04 LTS trusty
Fixed 2.4.5-5.1ubuntu2.3

Notes

mdeslaur

the EAP-TLS patch is an Ubuntu-specific change in earlier releases

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H