Out-of-bounds Write Affecting ncurses-base package, versions <0:6.0-8.20170212.amzn2.1.5


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-AMZN2-NCURSESBASE-5740484
  • published 27 Jun 2023
  • disclosed 14 Apr 2023

How to fix?

Upgrade Amazon-Linux:2 ncurses-base to version 0:6.0-8.20170212.amzn2.1.5 or higher.
This issue was patched in ALAS2-2023-2096.

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:2 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.

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

7.8 high
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SUSE

6.5 medium