Out-of-Bounds 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
    0.84% (83rd percentile)

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  • Snyk ID SNYK-AMZN2-NCURSESBASE-3160164
  • published 7 Dec 2022
  • disclosed 20 Sep 2021

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.

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

CVSS Scores

version 3.1
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NVD

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

5.5 medium
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SUSE

6.2 medium