Immunix

Multiple shell programs on various Unix systems, including (1) tcsh, (2) csh, (3) sh, and (4) bash, follow symlinks when processing << redirects (aka here-documents or in-here documents), which allows local users to overwrite files of other users via a symlink attack.Show less

ping in iputils before 20001010, as distributed on Red Hat Linux 6.2 through 7J and other operating systems, does not drop privileges after acquiring a raw socket, which increases ping's exposure to bugs that otherwise would occur at lower privileges.Show less

Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and Terminator Canary security mechanisms by using a non-linear attack which directly modifies a pointer to a return address instead of using a buffer overflow to reach the return address entry itself.Show less