CIAC INFORMATION BULLETIN O-088: On both Solaris 8 and 9 (SPARC and x86 Platforms) a local unprivileged user may be able to gain unauthorized root privileges due to a security issue involving the passwd command.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/32827/o-088.shtml
Source: https://packetstormsecurity.com/files/32827/o-088.shtml.html