/

CVE-2023-29491 Report - Details, Severity, & Advisorie...

CVE-2023-29491 Report - Details, Severity, & Advisories

Twingate Team

May 30, 2024

What is CVE-2023-29491?

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software up to version 6.4, which is used by various software packages in Linux and macOS systems. This security issue allows local users to trigger security-relevant memory corruption when ncurses is used by a setuid application, potentially leading to denial of service. To protect against this vulnerability, it is crucial for affected systems to update their ncurses software to the latest version.

Who is impacted?

The CVE-2023-29491 vulnerability affects local users of the ncurses library when used by a setuid application, primarily in Linux and macOS systems. This security issue impacts ncurses versions up to, but not including, version 6.4. Users of the library in Linux distributions and those who can trigger security-relevant memory corruption via malformed data in a terminfo database file are also affected. It is important for users to be aware of this vulnerability and stay informed about updates and fixes.

What to do if CVE-2023-29491 affected you

If you're affected by the CVE-2023-29491 vulnerability, it's important to update your ncurses software to the latest version. Here are some simple steps to follow:

  1. Check your current ncurses version to see if it's below 6.4.

  2. Visit your Linux distribution's package manager or software update center.

  3. Search for the ncurses package and update it to the latest version available.

  4. Restart any affected applications or services that use the ncurses library.

Is it in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-29491 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue affects the ncurses software up to version 6.4, primarily in Linux and macOS systems. The vulnerability was published on April 13, 2023, and users are advised to update their ncurses software to the latest version to protect against potential denial of service attacks.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, an out-of-bounds write issue affecting the ncurses library in Linux and macOS systems.

Learn More

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software, primarily in Linux and macOS systems. For a comprehensive understanding of its description, severity, technical details, and affected software configurations, refer to the NVD page and the sources listed below.

Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.

/

CVE-2023-29491 Report - Details, Severity, & Advisorie...

CVE-2023-29491 Report - Details, Severity, & Advisories

Twingate Team

May 30, 2024

What is CVE-2023-29491?

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software up to version 6.4, which is used by various software packages in Linux and macOS systems. This security issue allows local users to trigger security-relevant memory corruption when ncurses is used by a setuid application, potentially leading to denial of service. To protect against this vulnerability, it is crucial for affected systems to update their ncurses software to the latest version.

Who is impacted?

The CVE-2023-29491 vulnerability affects local users of the ncurses library when used by a setuid application, primarily in Linux and macOS systems. This security issue impacts ncurses versions up to, but not including, version 6.4. Users of the library in Linux distributions and those who can trigger security-relevant memory corruption via malformed data in a terminfo database file are also affected. It is important for users to be aware of this vulnerability and stay informed about updates and fixes.

What to do if CVE-2023-29491 affected you

If you're affected by the CVE-2023-29491 vulnerability, it's important to update your ncurses software to the latest version. Here are some simple steps to follow:

  1. Check your current ncurses version to see if it's below 6.4.

  2. Visit your Linux distribution's package manager or software update center.

  3. Search for the ncurses package and update it to the latest version available.

  4. Restart any affected applications or services that use the ncurses library.

Is it in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-29491 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue affects the ncurses software up to version 6.4, primarily in Linux and macOS systems. The vulnerability was published on April 13, 2023, and users are advised to update their ncurses software to the latest version to protect against potential denial of service attacks.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, an out-of-bounds write issue affecting the ncurses library in Linux and macOS systems.

Learn More

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software, primarily in Linux and macOS systems. For a comprehensive understanding of its description, severity, technical details, and affected software configurations, refer to the NVD page and the sources listed below.

Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.

CVE-2023-29491 Report - Details, Severity, & Advisories

Twingate Team

May 30, 2024

What is CVE-2023-29491?

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software up to version 6.4, which is used by various software packages in Linux and macOS systems. This security issue allows local users to trigger security-relevant memory corruption when ncurses is used by a setuid application, potentially leading to denial of service. To protect against this vulnerability, it is crucial for affected systems to update their ncurses software to the latest version.

Who is impacted?

The CVE-2023-29491 vulnerability affects local users of the ncurses library when used by a setuid application, primarily in Linux and macOS systems. This security issue impacts ncurses versions up to, but not including, version 6.4. Users of the library in Linux distributions and those who can trigger security-relevant memory corruption via malformed data in a terminfo database file are also affected. It is important for users to be aware of this vulnerability and stay informed about updates and fixes.

What to do if CVE-2023-29491 affected you

If you're affected by the CVE-2023-29491 vulnerability, it's important to update your ncurses software to the latest version. Here are some simple steps to follow:

  1. Check your current ncurses version to see if it's below 6.4.

  2. Visit your Linux distribution's package manager or software update center.

  3. Search for the ncurses package and update it to the latest version available.

  4. Restart any affected applications or services that use the ncurses library.

Is it in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-29491 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue affects the ncurses software up to version 6.4, primarily in Linux and macOS systems. The vulnerability was published on April 13, 2023, and users are advised to update their ncurses software to the latest version to protect against potential denial of service attacks.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-787, an out-of-bounds write issue affecting the ncurses library in Linux and macOS systems.

Learn More

CVE-2023-29491 is a high-severity vulnerability affecting the ncurses software, primarily in Linux and macOS systems. For a comprehensive understanding of its description, severity, technical details, and affected software configurations, refer to the NVD page and the sources listed below.