Home/CVE/The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows loca
CVE

CVE-2009-1893

The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows loca

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.

MEDIUM · CVSS 6.9 EPSS 0.00079
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules3 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

2
redhat enterprise linuxall versions
isc dhcpall versions
◈

Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighDHCP Server Error Failed Loading the CallOut DLL
producthighDHCP Server Loaded the CallOut DLL
producthighDHCP Callout DLL Installation
▣

Scoring & Timeline

6.9
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Published to NVD17 Jul 2009 · 04:30 PM
⚑

Vendor Advisories

1
rhsaRHSA-2009:1154Critical
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/35831Vendor Advisory
http://securitytracker.com/id?1022554
http://www.redhat.com/support/errata/RHSA-2009-1154.htmlVendor Advisory
http://www.securityfocus.com/bid/35670
https://bugzilla.redhat.com/show_bug.cgi?id=510024
https://exchange.xforce.ibmcloud.com/vulnerabilities/51718
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