CVE-2000-0824 — HIGH severity vulnerability (The unsetenv function in glibc 2.1.1 does not properly unset)
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.
| CVE ID | CVE-2000-0824 |
|---|---|
| Severity | HIGH |
| CVSS score | 7.2 |
| CVSS vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2000-11-14 |
| Last modified | 2026-04-16 |
| Description | 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. |
| Source | NIST National Vulnerability Database |
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