Vulnerability Details : CVE-2009-0847

The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
Published 2009-04-09 00:30:00
Updated 2018-10-10 19:32:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2009-0847

Exploit prediction scoring system (EPSS) score for CVE-2009-0847

EPSS FAQ
5.57%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-0847

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
 NIST

CWE ids for CVE-2009-0847

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-0847

  • Red Hat 2009-04-09
    Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References for CVE-2009-0847

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