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Double Free Affecting elfutils-libelf package, versions <0:0.176-2.amzn2

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.97% (84th percentile)
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NVD
9.8 critical
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SUSE
4.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-AMZN2-ELFUTILSLIBELF-1675404
  • published 27 Sep 2021
  • disclosed 3 Sep 2018
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Introduced: 3 Sep 2018

CVE-2018-16402 Open this link in a new tab
CWE-415 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 elfutils-libelf to version 0:0.176-2.amzn2 or higher.
This issue was patched in ALAS2-2019-1337.

NVD Description

Note: Versions mentioned in the description apply only to the upstream elfutils-libelf package and not the elfutils-libelf package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.