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CVE-2009-0847

UnknownEPSS 2.77%

Last modified

CVE-2009-0847 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.77% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.77%

84.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MitKerberos5-1.6.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2009-0847?
Severity scoring for CVE-2009-0847 is pending analysis. The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0847?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST