Vulnerability Details : CVE-2012-1013
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2012-1013
- cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.10:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.9.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-1013
2.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-1013
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
References for CVE-2012-1013
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http://web.mit.edu/kerberos/krb5-1.10/
Kerberos 5 Release 1.10.7
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https://bugzilla.redhat.com/show_bug.cgi?id=827517
827517 – (CVE-2012-1013) CVE-2012-1013 krb5: kadmind denial of service
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http://www.securityfocus.com/bid/53784
MIT Kerberos 5 'check_1_6_dummy()' Function NULL Pointer Dereference Denial Of Service Vulnerability
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http://rhn.redhat.com/errata/RHSA-2012-1131.html
RHSA-2012:1131 - Security Advisory - Red Hat Customer Portal
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https://hermes.opensuse.org/messages/15083635
openSUSE.org - 503
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https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b
Null pointer deref in kadmind [CVE-2012-1013] · krb5/krb5@c5be620 · GitHubExploit;Patch
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http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
mandriva.com
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http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
#7152: Null pointer deref in kadmind [CVE-2012-1013]
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http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
krb5-1.10.2 is released
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