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Integer Overflow or Wraparound Affecting libcrypt package, versions <0:2.26-27.amzn2.0.4

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.55% (78th percentile)
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NVD
9.8 critical
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Red Hat
5.3 medium

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  • Snyk ID SNYK-AMZN2-LIBCRYPT-1661396
  • published 27 Sep 2021
  • disclosed 1 Feb 2018
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Introduced: 1 Feb 2018

CVE-2018-6485 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 libcrypt to version 0:2.26-27.amzn2.0.4 or higher.
This issue was patched in ALAS2-2018-992.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcrypt package and not the libcrypt package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.