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CVE-2017-11368

Date: August 9, 2017

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

Language: C

Severity Score

6.5

Related Resources (9)

Url: https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970

Url: https://access.redhat.com/errata/RHSA-2018:0666

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-11368

Url: https://security-tracker.debian.org/tracker/CVE-2017-11368

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/

Url: https://access.redhat.com/security/cve/CVE-2017-11368

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/

Url: http://www.securityfocus.com/bid/100291

Url: https://www.mend.io/vulnerability-database/CVE-2017-11368

Severity Score

6.5

Weakness Type (CWE)

Improper Input Validation

CWE-20

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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