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gentooGentoo FoundationGLSA-202003-58
HistoryMar 26, 2020 - 12:00 a.m.

UnZip: User-assisted execution of arbitrary code

2020-03-2600:00:00
Gentoo Foundation
security.gentoo.org
60

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

AI Score

8

Confidence

Low

EPSS

0.012

Percentile

85.2%

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"
OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-arch/unzip< 6.0_p25UNKNOWN

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

AI Score

8

Confidence

Low

EPSS

0.012

Percentile

85.2%