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Out-of-bounds Write Affecting file-libs package, versions <0:5.37-8.48.amzn1

medium

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.12% (46th percentile)
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NVD
7.8 high
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SUSE
9.8 critical
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Red Hat
7.8 high

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  • Snyk ID SNYK-AMZN201803-FILELIBS-1720814
  • published 27 Sep 2021
  • disclosed 21 Oct 2019
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Introduced: 21 Oct 2019

CVE-2019-18218 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 file-libs to version 0:5.37-8.48.amzn1 or higher.
This issue was patched in ALAS-2019-1326.

NVD Description

Note: Versions mentioned in the description apply only to the upstream file-libs package and not the file-libs package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

cdf_read_property_info in cdf.c in file through 5.37 does not restrict the number of CDF_VECTOR elements, which allows a heap-based buffer overflow (4-byte out-of-bounds write).

References