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Use After Free Affecting libarchive package, versions <3.2.2-2+deb9u1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.6% (88th percentile)
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NVD
8.8 high
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SUSE
5.3 medium
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Red Hat
7 high

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  • Snyk ID SNYK-DEBIAN9-LIBARCHIVE-328180
  • published 20 Dec 2018
  • disclosed 20 Dec 2018
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Introduced: 20 Dec 2018

CVE-2018-1000878 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Debian:9 libarchive to version 3.2.2-2+deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

References