QwikSec

Security Database

CVE

CWE

Training

CVE-2017-7562

Published: Jul 26, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

6.5

MEDIUM

Description

An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

Vendor	Product	Versions
MIT	krb5	affected `1.16.1`

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2

x_refsource_CONFIRM

vdb-entry

x_refsource_BID

https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196

x_refsource_CONFIRM

https://github.com/krb5/krb5/pull/694

x_refsource_CONFIRM

vendor-advisory

x_refsource_REDHAT

https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627d

x_refsource_CONFIRM

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562

x_refsource_CONFIRM

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