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Debian LTS Advisory ([SECURITY] [DLA 1304-1] zsh security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that there were multiple vulnerabilities in the 'zsh' shell: * CVE-2014-10070: Fix a privilege-elevation issue if the environment has not been properly sanitized. * CVE-2014-10071: Prevent a buffer overflow for very long file * descriptors in the '>& fd' syntax. * CVE-2014-10072: Correct a buffer overflow when scanning very long directory paths for symbolic links. * CVE-2016-10714: Fix an off-by-one error that was resulting in undersized buffers that were intended to support PATH_MAX. * CVE-2017-18206: Fix a buffer overflow in symlink expansion.
Affected Software
Affected Software
zsh on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 7 'Wheezy', this issue has been fixed in zsh version 4.3.17-1+deb7u1. We recommend that you upgrade your zsh packages.