CVE-2013-1415

Description

The pkinit_check_kdc_pkid function in plugins/preauth/pkinit/pkinit_crypto_openssl.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 and 1.11.x before 1.11.1 does not properly handle errors during extraction of fields from an X.509 certificate, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed KRB5_PADATA_PK_AS_REQ AS-REQ request.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.74% Top 30%
Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory mit.edu Vendor Advisory mit.edu Vendor Advisory mit.edu Vendor Advisory mit.edu
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/55040 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:157 third party advisory vendor advisory
http://web.mit.edu/kerberos/www/krb5-1.10/ release notes vendor advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7570 vendor advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7577 vendor advisory
http://web.mit.edu/kerberos/www/krb5-1.11/ release notes vendor advisory
https://github.com/krb5/krb5/commit/f249555301940c6df3a2cdda13b56b5674eebc2e third party advisory patch
http://lists.opensuse.org/opensuse-updates/2013-03/msg00090.html vendor advisory mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2013-1415?
CVE-2013-1415 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1415?
To fix CVE-2013-1415, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-1415 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1415 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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