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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | dhcp +2 | 7:3.0.1-10.2_EL3 | RHSA-2009:1154 |
Advisories 1
- RHSA-2009:1154 Red Hat Security Advisory: dhcp security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- 1022554 vdb-entry
- oval:org.mitre.oval:def:11597 vdb-entry signature
- oval:org.mitre.oval:def:6440 vdb-entry signature
- dhcp-dhcpdt-symlink(51718) vdb-entry
- 35670 vdb-entry
- 35831 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=510024
- RHSA-2009:1154 vendor-advisory