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Debian LTS Advisory ([SECURITY] [DLA 1623-1] tar security update)
Information
Severity
Severity
Low
Family
Family
Debian Local Security Checks
CVSSv2 Base
CVSSv2 Base
1.9
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:M/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
5 years ago
Modified
Modified
5 years ago
Summary
It was discovered that there was a potential denial of service vulnerability in tar, the GNU version of the tar UNIX archiving utility. The --sparse argument looped endlessly if the file shrank whilst it was being read. Tar would only break out of this endless loop if the file grew again to (or beyond) its original end of file.
Affected Software
Affected Software
tar on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 8 'Jessie', this issue has been fixed in tar version 1.27.1-2+deb8u2. We recommend that you upgrade your tar packages.