security flaw
Published Jan 22, 2001
7.2
HIGHCVSS 2.0
EPSS 1.23%
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.
Affected products
Remediation
Red Hat statement
This issue was fixed in the following products: - Red Hat Linux 5.0 - RHSA-2000:057 (2000-09-01) - Red Hat Linux 5.1 - RHSA-2000:057 (2000-09-01) - Red Hat Linux 5.2 - RHSA-2000:057 (2000-09-01) - Red Hat Linux 6.0 - RHSA-2000:057 (2000-09-01) - Red Hat Linux 6.1 - RHSA-2000:057 (2000-09-01) - Red Hat Linux 6.2 - RHSA-2000:057 (2000-09-01)
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.23% (0.01232) | 67.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.23% (0.01232) | 64.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.31% (0.00306) | 51.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
No CWE recorded.
References (19)
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0436.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0509.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2000-08/0525.html mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=93760201002154&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.calderasystems.com/support/security/advisories/CSSA-2000-028.0.txt vendor-advisoryx_refsource_CALDERA
- http://www.debian.org/security/2000/20000902 vendor-advisoryx_refsource_DEBIAN
- http://www.linux-mandrake.com/en/updates/MDKSA-2000-040.php3 vendor-advisoryx_refsource_MANDRAKE
- http://www.linux-mandrake.com/en/updates/MDKSA-2000-045.php3 vendor-advisoryx_refsource_MANDRAKE
- http://www.novell.com/linux/security/advisories/adv5_draht_glibc_txt.html vendor-advisoryx_refsource_SUSE
- http://www.redhat.com/support/errata/RHSA-2000-057.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/79537 mailing-listx_refsource_BUGTRAQPatchVendor Advisory
- http://www.securityfocus.com/bid/1639 vdb-entryx_refsource_BID
- http://www.securityfocus.com/bid/648 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
- http://www.turbolinux.com/pipermail/tl-security-announce/2000-September/000020.html vendor-advisoryx_refsource_TURBO
- https://access.redhat.com/security/cve/CVE-2000-0824 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616515 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5173 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2000-0824
- https://www.cve.org/CVERecord?id=CVE-2000-0824
Change history (0)
No recorded changes yet.