EUVD-2017-16567

Malware in sbrugna...

Amazon Linux AMI : krb5 (ALAS-2018-1010)

A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request.CVE-2017-11368 An authentication bypass flaw was found in the way krb5's certauth...

Authentication flaw

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...

CVE-2017-7562

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...

CVE-2017-7562

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...

CVE-2017-7562

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...

CVE-2017-7562

CVE-2017-7562 affects MIT krb5 prior to version 1.16.1, where the certauth interface improperly validated client certificates. A remote attacker able to reach the KDC could potentially impersonate arbitrary principals under rare, erroneous circumstances. Root cause: incorrect validation of forged...

CVE-2017-7562

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...

Denial Of Service (DoS)

libkrb5.so is vulnerable to denial of service DoS through buffer overflow attacks. The vulnerability exists in the getmatchingdata function of krb5 that includes certauth plugin, and subsequently allowing both the CA certificate and the user's certificate to have long subjects, causing a denial o...

krb5 security, bug fix, and enhancement update

1.15.1-18 - Expose context errors in pkinitserverplugininit - Resolves: 1460089 1.15.1-17 - Drop certauth test changes that prevented runnig it - Resolves: 1498767 1.15.1-16 - Drop irrelevant DIR trigger logic - Resolves: 1431198 1.15.1-15 - Fix CVE-2017-7562 certauth eku bypass - Resolves: 14987...

CVE-2017-15088

plugins/preauth/pkinit/pkinitcryptoopenssl.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,...

CVE-2017-15088

plugins/preauth/pkinit/pkinitcryptoopenssl.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,...

Buffer overflow

plugins/preauth/pkinit/pkinitcryptoopenssl.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,...

CVE-2017-15088

plugins/preauth/pkinit/pkinitcryptoopenssl.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,...

Updated krb5 packages fix security vulnerabilities

An authentication bypass flaw was found in the way krb5's certauth interface 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 CVE-2017-7562...

PT-2018-8407 · Mit +4 · Kerberos +4

Name of the Vulnerable Software and Affected Versions: Kerberos versions prior to 1.16.1 Description: An authentication bypass flaw was found in the way krb5's certauth interface handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially us...

CVE-2017-14337

When MISP before 2.4.80 is configured with X.509 certificate authentication CertAuth in conjunction with a non-MISP external user management ReST API, if an external user provides X.509 certificate authentication and this API returns an empty value, the unauthenticated user can be granted access ...

CVE-2017-14337

CVE-2017-14337 affects MISP prior to 2.4.80. When CertAuth via X.509 is used together with a non-MISP external user management REST API, and that API returns an empty value for an external user, an unauthenticated user can be granted access as an arbitrary user. Evidence across connected records ...

Fedora 26 : krb5 (2017-bf74db7147)

Fix bypass of certauth module with malicious EKU cert missing a SAN. Security related; see upstream bug for more information. - Add kdcpolicy interface. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has...

CVE-2017-7562

An authentication bypass flaw was found in the way krb5's certauth interface 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...