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Out-of-bounds Read Affecting upx package, versions <4.0.0-r0

0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.08% (34th percentile)
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NVD
7.8 high

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  • Snyk ID SNYK-ALPINE317-UPX-3144434
  • published 23 Nov 2022
  • disclosed 25 Aug 2022
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Introduced: 25 Aug 2022

CVE-2020-27801 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Alpine:3.17 upx to version 4.0.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream upx package and not the upx package as distributed by Alpine. See How to fix? for Alpine:3.17 relevant fixed versions and status.

A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.