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Integer Overflow or Wraparound Affecting cpio package, versions <0:2.12-11.el8

medium

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.25% (65th percentile)
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NVD
7.8 high
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SUSE
8.8 high
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Red Hat
7 high

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  • Snyk ID SNYK-CENTOS8-CPIO-1970858
  • published 17 Aug 2021
  • disclosed 6 Aug 2021
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Introduced: 6 Aug 2021

CVE-2021-38185 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Centos:8 cpio to version 0:2.12-11.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cpio package and not the cpio package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c ds_fgetstr integer overflow that triggers an out-of-bounds heap write. NOTE: it is unclear whether there are common cases where the pattern file, associated with the -E option, is untrusted data.