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RHEL 6 / 7 : unzip (RHSA-2015:0700)

high Nessus Plugin ID 81949

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated unzip packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The unzip utility is used to list, test, or extract files from a zip archive.

A buffer overflow was found in the way unzip uncompressed certain extra fields of a file. A specially crafted Zip archive could cause unzip to crash or, possibly, execute arbitrary code when the archive was tested with unzip's '-t' option. (CVE-2014-9636)

A buffer overflow flaw was found in the way unzip computed the CRC32 checksum of certain extra fields of a file. A specially crafted Zip archive could cause unzip to crash when the archive was tested with unzip's '-t' option. (CVE-2014-8139)

An integer underflow flaw, leading to a buffer overflow, was found in the way unzip uncompressed certain extra fields of a file. A specially crafted Zip archive could cause unzip to crash when the archive was tested with unzip's '-t' option. (CVE-2014-8140)

A buffer overflow flaw was found in the way unzip handled Zip64 files.
A specially crafted Zip archive could possibly cause unzip to crash when the archive was uncompressed. (CVE-2014-8141)

Red Hat would like to thank oCERT for reporting the CVE-2014-8139, CVE-2014-8140, and CVE-2014-8141 issues. oCERT acknowledges Michele Spagnuolo of the Google Security Team as the original reporter of these issues.

All unzip users are advised to upgrade to these updated packages, which contain backported patches to correct these issues.

Solution

Update the affected unzip and / or unzip-debuginfo packages.

See Also

https://access.redhat.com/errata/RHSA-2015:0700

https://access.redhat.com/security/cve/cve-2014-8139

https://access.redhat.com/security/cve/cve-2014-8141

https://access.redhat.com/security/cve/cve-2014-8140

https://access.redhat.com/security/cve/cve-2014-9636

Plugin Details

Severity: High

ID: 81949

File Name: redhat-RHSA-2015-0700.nasl

Version: 1.11

Type: local

Agent: unix

Published: 3/19/2015

Updated: 2/6/2020

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.3, cpe:/o:redhat:enterprise_linux:7.4, cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:enterprise_linux:6.6, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7.6, cpe:/o:redhat:enterprise_linux:7.7, p-cpe:/a:redhat:enterprise_linux:unzip-debuginfo, cpe:/o:redhat:enterprise_linux:7.2, p-cpe:/a:redhat:enterprise_linux:unzip, cpe:/o:redhat:enterprise_linux:7.1

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Patch Publication Date: 3/18/2015

Vulnerability Publication Date: 2/6/2015

Reference Information

CVE: CVE-2014-8139, CVE-2014-8140, CVE-2014-8141, CVE-2014-9636

RHSA: 2015:0700