The default configuration of the pam_xauth module forwards
MIT-Magic-Cookies to new X sessions, which could allow local users to
gain root privileges by stealing the cookies from a temporary .xauth
file, which is created with the original user's credentials after root
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20021214 BDT_AV200212140001: Insecure default: Using pam_xauth for su from sh-utils package
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