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Vulnerability record · CVE-2007-4000 · published 5 September 2007

CVE-2007-4000: Mit kerberos 5 vulnerability

Mit · Kerberos 5

The kadm5_modify_policy_internal function in lib/kadm5/srv/svr_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (krb5) 1.5 through 1.6.2 does not properly check return values when the policy does not exist, which might allow remote authenticated users with the "modify policy" privilege to execute arbitrary code via unspecified vectors that trigger a write to an uninitialized pointer.

8.5 CVSS 2.0 High EPSS 6.1% · top 6.8% CWE-824 · CWE-824
8.5CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
44References
16 Jun 2026Last modified by NVD

Description

The kadm5_modify_policy_internal function in lib/kadm5/srv/svr_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (krb5) 1.5 through 1.6.2 does not properly check return values when the policy does not exist, which might allow remote authenticated users with the "modify policy" privilege to execute arbitrary code via unspecified vectors that trigger a write to an uninitialized pointer.

AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/26676 Broken Link
http://secunia.com/advisories/26680 Broken Link
http://secunia.com/advisories/26700 Broken Link
http://secunia.com/advisories/26728 Broken Link
http://secunia.com/advisories/26783 Broken Link
http://secunia.com/advisories/26987 Broken Link
http://securityreason.com/securityalert/3092 Broken Link
http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txt Vendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200709-01.xml Third Party Advisory
http://www.kb.cert.org/vuls/id/377544 Third Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2007:174 Broken Link
http://www.novell.com/linux/security/advisories/2007_19_sr.html Broken Link
http://www.redhat.com/support/errata/RHSA-2007-0858.html Third Party Advisory
http://www.securityfocus.com/archive/1/478794/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/25533 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1018647 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/3051 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=250976 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/36438 Broken LinkVDB Entry
https://issues.rpath.com/browse/RPL-1696 Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9278 Broken Link
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00087.html Mailing List
http://secunia.com/advisories/26676 Broken Link
http://secunia.com/advisories/26680 Broken Link
http://secunia.com/advisories/26700 Broken Link
http://secunia.com/advisories/26728 Broken Link
http://secunia.com/advisories/26783 Broken Link
http://secunia.com/advisories/26987 Broken Link
http://securityreason.com/securityalert/3092 Broken Link
http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txt Vendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200709-01.xml Third Party Advisory
http://www.kb.cert.org/vuls/id/377544 Third Party AdvisoryUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2007:174 Broken Link
http://www.novell.com/linux/security/advisories/2007_19_sr.html Broken Link
http://www.redhat.com/support/errata/RHSA-2007-0858.html Third Party Advisory
http://www.securityfocus.com/archive/1/478794/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/25533 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1018647 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/3051 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=250976 Issue Tracking

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Source: NIST National Vulnerability Database (record CVE-2007-4000), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.