HOMEVULNERABILITIESCVE-2004-0643
MEDIUM

CVE-2004-0643

CWE-415Published: September 28, 2004· Updated: Jun 16, 2026

4.6
CVSS v3.1

Official Description

Double free vulnerability in the krb5_rd_cred function for MIT Kerberos 5 (krb5) 1.3.1 and earlier may allow local users to execute arbitrary code.

NVD Source

Technical Analysis

CVE-2004-0643 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

Debian1 product(s)
debian linux
mit1 product(s)
kerberos 5
Red Hat3 product(s)
enterprise linux desktopenterprise linux serverenterprise linux workstation
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (26)

Quick Facts

CVE IDCVE-2004-0643
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-415
CISA KEVNo
Affected3 vendor(s)
PublishedSep 28, 2004

Related CVEs (CWE-415)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2004-0643 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.