CVE-2004-0644 json
The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a…
published 2004-09-10 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0643
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.6%
- EPSS 5.6% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding.
Patch / fix
- krb5 Debian 14, Debian 13, Debian 12 1.3.4-3
debian advisories DEBIAN-CVE-2004-0644
- krb5 RHEL 3 1.2.7-28
- krb5-libs RHEL 3 1.2.7-28
- krb5-server RHEL 3 1.2.7-28
- krb5-workstation RHEL 3 1.2.7-28
red hat advisories RHSA-2004:350
- trustix.net/errata/2004/0045/ advisory
- gentoo.org/security/en/glsa/glsa-200409-09.xml advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2004-0644 updated
security flaw
-
Red Hat Desktop version 3 krb5 1.2.7-28, krb5-libs 1.2.7-28, krb5-server 1.2.7-28, krb5-workstation 1.2.7-28 Red Hat Enterprise Linux AS version 3 krb5 1.2.7-28, krb5-libs 1.2.7-28, krb5-server 1.2.7-28, krb5-workstation 1.2.7-28fixed: vendor fix RHSA-2004:350
-
Red Hat Enterprise Linux ES version 2.1fixed: vendor fix RHSA-2004:448
-
Red Hat Enterprise Linux ES version 3 krb5 1.2.7-28, krb5-libs 1.2.7-28, krb5-server 1.2.7-28, krb5-workstation 1.2.7-28fixed: vendor fix RHSA-2004:350
-
Red Hat Enterprise Linux WS version 2.1fixed: vendor fix RHSA-2004:448
-
Red Hat Enterprise Linux WS version 3 krb5 1.2.7-28, krb5-libs 1.2.7-28, krb5-server 1.2.7-28, krb5-workstation 1.2.7-28fixed: vendor fix RHSA-2004:350
-
Red Hat Linux Advanced Workstation 2.1fixed: vendor fix RHSA-2004:448
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
5.58% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
trustix.net
/errata/2004/0045/
vendor-advisory, patch
-
gentoo.org
/security/en/glsa/glsa-200409-09.xml
vendor-advisory, patch
-
distro.conectiva.com.br
/atualizacoes/?id=a&anuncio=000860
vendor-advisory
-
rhn.redhat.com
/errata/RHSA-2004-350.html
vendor-advisory
-
debian.org
/security/2004/dsa-543
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/17160
vdb-entry
-
securityfocus.com
/bid/11079
vdb-entry
-
kb.cert.org
/vuls/id/550464
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2139
vdb-entry, signature
-
us-cert.gov
/cas/techalerts/TA04-247A.html
third-party-advisory, us-government-resource
-
marc.info
/?l=bugtraq&m=109508872524753&w=2
mailing-list
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10014
vdb-entry, signature
- web.mit.edu /kerberos/www/advisories/MITKRB5-SA-2004-003-asn1.txt
Sources
- CVE List CVE-2004-0644
- NVD CVE-2004-0644
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