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Heap-based Buffer Overflow Affecting elfutils-libelf package, versions <0:0.176-2.el7

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-CENTOS7-ELFUTILSLIBELF-2144471
  • published 26 Jul 2021
  • disclosed 15 Aug 2018
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Introduced: 15 Aug 2018

CVE-2018-16403 Open this link in a new tab
CWE-122 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Centos:7 elfutils-libelf to version 0:0.176-2.el7 or higher.

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 Centos. See How to fix? for Centos:7 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.