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CVE-2023-29491: Out-of-bounds Write

April 14, 2023 (updated January 31, 2024)

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

  • ncurses.scripts.mit.edu/?p=ncurses.git;a=commit;h=eb51b1ea1f75a0ec17c9c5937cb28df1e8eeec56
  • www.openwall.com/lists/oss-security/2023/04/19/10
  • www.openwall.com/lists/oss-security/2023/04/19/11
  • nvd.nist.gov/vuln/detail/CVE-2023-29491
  • www.openwall.com/lists/oss-security/2023/04/12/5
  • www.openwall.com/lists/oss-security/2023/04/13/4

Code Behaviors & Features

Detect and mitigate CVE-2023-29491 with GitLab Dependency Scanning

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Affected versions

All versions before 6.4

Fixed versions

  • 6.4

Solution

Upgrade to version 6.4 or above.

Impact 7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

conan/ncurses/CVE-2023-29491.yml

Spotted a mistake? Edit the file on GitLab.

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