CVE-2007-4000
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 8.5 HIGHAV:N/AC:M/Au:S/C:C/I:C/A:C
- EPSS
- 6.14% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-824
- Affected
- mit/kerberos 5 · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/26676Broken Link
- http://secunia.com/advisories/26680Broken Link
- http://secunia.com/advisories/26700Broken Link
- http://secunia.com/advisories/26728Broken Link
- http://secunia.com/advisories/26783Broken Link
- http://secunia.com/advisories/26987Broken Link
- http://securityreason.com/securityalert/3092Broken Link
- http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txtVendor Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200709-01.xmlThird Party Advisory
- http://www.kb.cert.org/vuls/id/377544Third Party Advisory, US Government Resource
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:174Broken Link
- http://www.novell.com/linux/security/advisories/2007_19_sr.htmlBroken Link
- http://www.redhat.com/support/errata/RHSA-2007-0858.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/478794/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/25533Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1018647Broken Link, Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2007/3051Broken Link
- https://bugzilla.redhat.com/show_bug.cgi?id=250976Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36438Broken Link, VDB Entry
- https://issues.rpath.com/browse/RPL-1696Broken Link
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9278Broken Link
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00087.htmlMailing List
- http://secunia.com/advisories/26676Broken Link
- http://secunia.com/advisories/26680Broken Link
- http://secunia.com/advisories/26700Broken Link
- http://secunia.com/advisories/26728Broken Link
- http://secunia.com/advisories/26783Broken Link
- http://secunia.com/advisories/26987Broken Link
- http://securityreason.com/securityalert/3092Broken Link
- http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.