CVE-2017-15088

plugins/preauth/pkinit/pkinit_crypto_openssl.c in MIT Kerberos 5 (aka krb5) through 1.15.2 mishandles Distinguished Name (DN) fields, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) in situations involving untrusted X.509 data, related to the get_matching_data and X509_NAME_oneline_ex functions. NOTE: this has security relevance only in use cases outside of the MIT Kerberos distribution, e.g., the use of get_matching_data in KDC certauth plugin code that is specific to Red Hat.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/krb5/krb5/pull/707	Patch Third Party Advisory
https://github.com/krb5/krb5/commit/fbb687db1088ddd894d975996e5f6a4252b9a2b4	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1504045	Issue Tracking Patch Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871698	Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/101594	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*

Information

Published : 2017-11-23 09:29

Updated : 2021-01-26 07:28

NVD link : CVE-2017-15088

Mitre link : CVE-2017-15088

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Products Affected

mit

kerberos_5

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9.8 /10