CVE-2012-1014

Kerberos 5 vulnerability

CVSS

9.0

EPSS

4.3%

EPSS pct

90th

Exploited

No known

The process_as_req function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x before 1.10.3 does not initialize a certain structure member, which allows remote attackers to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a malformed AS-REQ request.

Affected vendor

Mit

Affected product

Kerberos 5

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:C

Published

2012-08-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, complete impact to availability.

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2012-1014

Confirm whether Mit Kerberos 5 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-1014.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-1014

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-1014 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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