QID 355115

Date Published: 2023-05-29

QID 355115: Amazon Linux Security Advisory for ncurses : ALAS2023-2023-023

The ncurses package (tic) is susceptible to a heap overflow on crafted input.
When the terminfo entry-description compiler processes input, proper bounds checking was not enforced leading to this software flaw.
The highest threat from this vulnerability is system availability. (
( CVE-2021-39537) a segmentation fault vulnerability was found in ncurses's convert_strings() function of tinfo/read_entry.c file.
This flaw occurs due to corrupted terminfo data, triggering an out-of-bounds read error. (
( CVE-2022-29458)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2023-023 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355115

    CVE-2021-39537 | CVE-2022-29458 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-023 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-023.html
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