CVE-1999-1158

Summary

CVE-1999-1158 refers to a buffer overflow vulnerability affecting Solaris 2.5.1, 2.5, 2.4, and 2.3. This issue lies in the pluggable authentication module (PAM) and the unix_scheme. Local users are able to exploit these vulnerabilities and acquire root privileges when using programs such as passwd, yppasswd, and nispasswd. Such exploitation occurs due to insufficient bounds checking in the input validation, leading to an overflow in a buffer. This vulnerability poses a significant risk, as successful attacks can result in complete system compromise.

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