CVE-2010-1322

Kerberos 5 vulnerability

CVSS

6.5

EPSS

3.0%

EPSS pct

86th

Exploited

No known

The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client.

Affected vendor

Mit

Affected product

Kerberos 5

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2010-10-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2010-1322

Confirm whether Mit Kerberos 5 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-1322.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-1322

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