The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
Published 2010-05-19 18:30:03
Updated 2021-02-02 18:53:38
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2010-1321

Top countries where our scanners detected CVE-2010-1321
Top open port discovered on systems with this issue 8200
IPs affected by CVE-2010-1321 2,339
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2010-1321!
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Exploit prediction scoring system (EPSS) score for CVE-2010-1321

Probability of exploitation activity in the next 30 days: 0.49%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 76 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2010-1321

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:C
8.0
6.9
NIST

CWE ids for CVE-2010-1321

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2010-1321

Products affected by CVE-2010-1321

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