UnZip: User-assisted execution of arbitrary code — GLSA 202003-58

Multiple vulnerabilities have been found in UnZip, the worst of which could result in the execution of arbitrary code.

Affected packages

app-arch/unzip on all architectures
Affected versions < 6.0_p25
Unaffected versions >= 6.0_p25

Background

Info-ZIP’s UnZip is a tool to list and extract files inside PKZIP compressed files.

Description

Multiple vulnerabilities have been discovered in UnZip. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to open a specially crafted ZIP archive using UnZip, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All UnZip users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-arch/unzip-6.0_p25"
 

References

Release date
March 26, 2020

Latest revision
March 26, 2020: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries