MEDIUM
dhcp: insecure temporary file use in the dhcpd init script
Published Jul 17, 2009
6.9
MEDIUMCVSS 2.0
EPSS 0.60%
Description
The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related to the "dhcpd -t" command.
Affected products
No data.
AND
OR
- 3.0
- 3.0
- 3.0
- 3.0
OR
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
- 3.0.1
No data.
Red Hat Enterprise Linux 3
dhcp-7:3.0.1-10.2_EL3
Fixed · RHSA-2009:1154
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | dhcp-7:3.0.1-10.2_EL3 | Fixed | RHSA-2009:1154 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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.
6.9 MEDIUM NVD
AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.60% 0.00602
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.00602
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.60% (0.00602) | 46.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.60% (0.00602) | 43.96th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00079) | 20.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.43% (0.02426) | 81.55th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.43% (0.02426) | 81.05th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.81% (0.02812) | 82.72th | v2 (v2022.01.01) |
| Jul 18, 2022 | 2.43% (0.02426) | 80.52th | v2 (v2022.01.01) |
| Jul 17, 2022 | 1.10% (0.01104) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.43% (0.02426) | 79.80th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.43% (0.02426) | 58.43th | v2 (v2022.01.01) |
References (11)
- http://secunia.com/advisories/35831 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1022554 vdb-entryx_refsource_SECTRACK
- http://www.redhat.com/support/errata/RHSA-2009-1154.html vendor-advisoryx_refsource_REDHATVendor Advisory
- http://www.securityfocus.com/bid/35670 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2009-1893 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=510024 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51718 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-1893
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11597 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6440 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-1893
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/35831 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1022554 | vdb-entryx_refsource_SECTRACK | |
| http://www.redhat.com/support/errata/RHSA-2009-1154.html | vendor-advisoryx_refsource_REDHATVendor Advisory | |
| http://www.securityfocus.com/bid/35670 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2009-1893 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=510024 | x_refsource_CONFIRMIssue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/51718 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-1893 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11597 | vdb-entrysignaturex_refsource_OVAL | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6440 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2009-1893 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 17, 2009
Updated Aug 7, 2024
Reserved Jun 2, 2009
Link CVE-2009-1893
CISA Vulnrichment
Updated n/a