Out-of-bounds Read Affecting ncurses-base package, versions <0:6.0-8.20170212.amzn2.1.4


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.1% (43rd percentile)

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  • Snyk ID SNYK-AMZN2-NCURSESBASE-3160301
  • published 7 Dec 2022
  • disclosed 18 Apr 2022

How to fix?

Upgrade Amazon-Linux:2 ncurses-base to version 0:6.0-8.20170212.amzn2.1.4 or higher.
This issue was patched in ALAS2-2022-1893.

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 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library.

CVSS Scores

version 3.1
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NVD

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

6.1 medium
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SUSE

5.5 medium