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Fedora CoreOperating system · Redhat

CVE-2004-0460

HIGH · 10.0 CVSS v2.0 Published 2004-08-06
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Buffer overflow in the logging capability for the DHCP daemon (DHCPD) for ISC DHCP 3.0.1rc12 and 3.0.1rc13 allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via multiple hostname options in (1) DISCOVER, (2) OFFER, (3) REQUEST, (4) ACK, or (5) NAK messages, which can generate a long string when writing to a log file.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Fedora CoreOperating system
Affected:= core_2.0
Dns One ApplianceHardware / appliance
Affected:= 2.3.1_r5= 2.4.0.8= 2.4.0.8a
DhcpdApplication
Affected:= 3.0.1
Suse Email ServerApplication
Affected:= iii
Suse Linux Admin Cd For FirewallApplication
Affected:all versions
Suse Linux Connectivity ServerApplication
Affected:all versions
Suse Linux Database ServerDatabase / datastore
Affected:all versions
Suse Linux Firewall CdApplication
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch www.securityfocus.com →
Recommended fix High confidence

ISC DHCP 3.0.1 final or later (3.0.2/3.1.x with security patches); Fedora Core 2.0 to updated dhcp-3.0.1-14.EL2 or later; SUSE to vendor-supplied patched version

  1. 1. Identify the ISC DHCP package version currently installed: 'rpm -q dhcp' (Fedora/SUSE) or check appliance documentation
  2. 2. For Fedora Core 2.0: Update system via 'yum update dhcp' or download fixed dhcp-3.0.1-14.EL2 package from Fedora archives
  3. 3. For SUSE systems: Apply latest SUSE security updates for the dhcp package via YaST online update or download from SUSE update repositories
  4. 4. For Dns One Appliance: Contact vendor (BIND9/Infoblox) for specific patch version 2.4.0.8b or later
  5. 5. After upgrade, restart DHCP service: 'service dhcpd restart' or '/etc/init.d/dhcpd restart'
  6. 6. Verify new version is running: 'dhcpd -v' and check it starts without errors
Caveat Upgrading DHCP server may require configuration file syntax adjustments; test config with 'dhcpd -t' before restarting; older hardware may have performance impact with newer releases

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2004-0460 in production — separate from our analysis above.

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