CVE-2009-1893: n/a vulnerability

CVE-2009-1893: The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL)...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:27 UTC (UTC+00:00)

Security readout for executives and security teams

A legacy Red Hat Enterprise Linux 3 DHCP init script flaw could let a local user abuse temporary-file handling to overwrite files. The provided sources describe local, not remote, exploitation. Business urgency is mainly for organizations still running RHEL 3 DHCP services or preserving legacy hosts. Exposure is likely limited to legacy RHEL 3 systems with the Red Hat DHCP 3.0.1 dhcpd init script installed and local user access. The bundle’s affected metadata is incomplete, so confirm against Red Hat advisory and OVAL checks. Treat as a legacy-system cleanup and local privilege-risk item. Prioritize if RHEL 3 DHCP hosts still exist, especially multi-user systems. If no such legacy hosts remain, business risk is low. Mitigation focus: Apply the Red Hat guidance in RHSA-2009:1154 for affected systems.; Inventory and retire or isolate RHEL 3 DHCP servers where possible.; Restrict local shell access on DHCP servers to trusted administrators..

Prepared: Jun 28, 2026, 10:26 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2009-1893 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 17, 2009, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:11597CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:6440CVE reference · vdb-entry, signature
dhcp-dhcpdt-symlink(51718)CVE reference · vdb-entry, x_refsource_XF
https://bugzilla.redhat.com/show_bug.cgi?id=510024CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.