The unsetenv function in glibc 2.1.1 does not properly unset an
environmental variable if the variable is provided twice to a program,
which could allow local users to execute arbitrary commands in setuid
programs by specifying their own duplicate environmental variables
such as LD_PRELOAD or LD_LIBRARY_PATH.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
Disclaimer: The entry creation date may reflect when
the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security