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Out-of-bounds Write Affecting ncurses-base package, versions <0:5.7-4.20090207.15.amzn1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
7.8 high
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SUSE
6.5 medium
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Red Hat
7.8 high

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  • Snyk ID SNYK-AMZN201803-NCURSESBASE-5789773
  • published 20 Jul 2023
  • disclosed 14 Apr 2023
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Introduced: 14 Apr 2023

CVE-2023-29491 Open this link in a new tab
CWE-787 Open this link in a new tab
CWE-121 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 ncurses-base to version 0:5.7-4.20090207.15.amzn1 or higher.
This issue was patched in ALAS-2023-1778.

NVD Description

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

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.

References