Out-of-bounds Read Affecting elfutils-libelf package, versions <0:0.176-2.amzn2


0.0
low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.2% (58th percentile)
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NVD
5.5 medium
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SUSE
3.3 low
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Red Hat
3.3 low

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  • Snyk ID SNYK-AMZN2-ELFUTILSLIBELF-1675449
  • published 27 Sep 2021
  • disclosed 3 Sep 2018

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.

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.