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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 0.27% (68th percentile)
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NVD
6.5 medium
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SUSE
6.5 medium
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Red Hat
3.3 low

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  • Snyk ID SNYK-AMZN2-ELFUTILSLIBELF-1675473
  • published 27 Sep 2021
  • disclosed 29 Jan 2019
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Introduced: 29 Jan 2019

CVE-2019-7149 Open this link in a new tab
CWE-125 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.

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.