CVE-2004-0523
CVE-2004-0523 is a critical-severity vulnerability in Mit Kerberos with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 12% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Mit Kerberos
- Published:
- Last modified:
Description
Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.
Frequently asked questions
- What is CVE-2004-0523?
- Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers to execute arbitrary code as root.
- How severe is CVE-2004-0523?
- CVE-2004-0523 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2004-0523 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2004-0523?
- CVE-2004-0523 primarily affects Mit Kerberos. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2004-0523?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2004-0523 published?
- CVE-2004-0523 was published on 2004-08-18 and last updated on 2026-06-16.
References
- ftp://patches.sgi.com/support/free/security/advisories/20040604-01-U.asc
- ftp://patches.sgi.com/support/free/security/advisories/20040605-01-U.asc
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
- http://lwn.net/Articles/88206/
- http://marc.info/?l=bugtraq&m=108612325909496&w=2
- http://marc.info/?l=bugtraq&m=108619161815320&w=2
- http://marc.info/?l=bugtraq&m=108619250923790&w=2
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-101512-1
- http://www.debian.org/security/2004/dsa-520
- http://www.gentoo.org/security/en/glsa/glsa-200406-21.xml
- http://www.kb.cert.org/vuls/id/686862
- http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:056
- http://www.redhat.com/support/errata/RHSA-2004-236.html
- http://www.securityfocus.com/bid/10448
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16268
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10295
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2002
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A724
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A991
Affected products (31)
- cpe:2.3:a:mit:kerberos:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos:1.2.2.beta1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2:beta1:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2:beta2:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.3:alpha1:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:sgi:propack:2.4:*:*:*:*:*:*:*
- cpe:2.3:a:sgi:propack:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:sun:seam:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:sun:seam:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:sun:seam:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:tinysofa:tinysofa_enterprise_server:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:tinysofa:tinysofa_enterprise_server:1.0_u1:*:*:*:*:*:*:*
- cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:*
- cpe:2.3:o:sun:solaris:9.0:*:sparc:*:*:*:*:*
- cpe:2.3:o:sun:solaris:9.0:*:x86:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:*
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