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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2016-2781)

The CentOS Linux 7.9 host has packages installed that are affected by a vulnerability as referenced in the CIQ ciqsa-2026_0656 advisory.

    This advisory aggregates security fixes for the coreutils SRPM in CIQ CentOS Bridge 7.9. It addresses 1     CVE: CVE-2016-2781.

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of coreutils installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2016-2781 advisory.

  - 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.   (CVE-2016-2781)

  - 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. (CVE-2016-2781)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2016-2781)

  - 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.   (CVE-2016-2781)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of coreutils installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2016-2781 advisory.

  - 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.   (CVE-2016-2781)

  - 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. (CVE-2016-2781)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
465008	Echo: coreutils: security update to 9.1-1-e1	Tenable Cloud Security	Echo Local Security Checks	Local	medium
465008	Echo: coreutils: security update to 9.1-1-e1	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
355145	CentOS Linux 7.9 [CIQ] Security Update: coreutils / coreutils-debuginfo (ciqsa-2026_0656)	Nessus	CentOS Local Security Checks	Local	medium
238444	Azure Linux 3.0 Security Update: coreutils (CVE-2016-2781)	Nessus	Azure Linux Local Security Checks	Local	medium
219335	Linux Distros Unpatched Vulnerability : CVE-2016-2781	Nessus	Misc.	Local	medium
201262	CBL Mariner 2.0 Security Update: coreutils (CVE-2016-2781)	Nessus	MarinerOS Local Security Checks	Local	medium

Detections

Analytics

CVE-2016-2781

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium