medium
6.5
CWE
20
Advisory Published
Updated

CVE-2016-2781: Input Validation

First published: Tue Feb 07 2017(Updated: )

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/coreutils<=8.32-4<=9.1-1<=9.4-3.1
IBM Cloud Pak for Business Automation<=V22.0.2 - V22.0.2-IF004
IBM Cloud Pak for Business Automation<=V21.0.3 - V21.0.3-IF020
IBM Cloud Pak for Business Automation<=V22.0.1 - V22.0.1-IF006 and later fixesV21.0.2 - V21.0.2-IF012 and later fixesV21.0.1 - V21.0.1-IF007 and later fixesV20.0.1 - V20.0.3 and later fixesV19.0.1 - V19.0.3 and later fixesV18.0.0 - V18.0.2 and later fixes
CentOS coreutils-common

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2016-2781?

    CVE-2016-2781 is considered a high severity vulnerability as it allows local users to potentially escalate privileges.

  • How do I fix CVE-2016-2781?

    To fix CVE-2016-2781, update your GNU coreutils and other affected software to the latest patched versions.

  • Who is affected by CVE-2016-2781?

    CVE-2016-2781 affects various versions of GNU coreutils and IBM Cloud Pak for Business Automation.

  • What systems are vulnerable to CVE-2016-2781?

    Systems running unpatched versions of GNU coreutils, specifically versions up to 8.32-4 and 9.4-3.1, are vulnerable to CVE-2016-2781.

  • Can CVE-2016-2781 be exploited remotely?

    CVE-2016-2781 requires local access to the affected system to exploit the vulnerability.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203