[ GLSA 202007-25 ] arpwatch

[GLSA]

Gentoo Linux Security Advisory

Title: arpwatch: Root privilege escalation (GLSA 202007-25)
Severity: high
Exploitable: local
Date: 2020-07-27
Bug(s): #602552
ID: 202007-25

Synopsis

A vulnerability was discovered in arpwatch which may allow local
attackers to gain root privileges.


Background

The ethernet monitor program; for keeping track of ethernet/ip address
pairings.


Affected Packages

Package: net-analyzer/arpwatch
Vulnerable: < 2.1.15-r11
Unaffected: >= 2.1.15-r11
Architectures: All supported architectures


Description

It was discovered that Gentoo’s arpwatch ebuild made excessive
permission operations on its data directories, possibly changing
ownership of unintended files. This only affects OpenRC systems, as the
flaw was exploitable via the init script.


Impact

A local attacker could escalate privileges.

Workaround

There is no known workaround at this time.

Resolution

All arpwatch users should upgrade to the latest version: