[ glsa 202003-19 ] ppp

[GLSA]

Gentoo Linux Security Advisory

Title: PPP: Buffer overflow (GLSA 202003-19)
Severity: high
Exploitable: remote
Date: 2020-03-15
Bug(s): #710308
ID: 202003-19

Synopsis

A buffer overflow in PPP might allow a remote attacker to execute
arbitrary code.


Background

PPP is a Unix implementation of the Point-to-Point Protocol.

Affected Packages

Package: net-dialup/ppp
Vulnerable: < 2.4.8
Unaffected: >= 2.4.8
Architectures: All supported architectures


Description

It was discovered that bounds check in PPP for the rhostname was
improperly constructed in the EAP request and response functions.


Impact

A remote attacker, by sending specially crafted authentication data,
could possibly execute arbitrary code with the privileges of the process
or cause a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All PPP users should upgrade to the latest version: