This plugin has been deprecated as it does not adhere to established standards for this style of check.

According to the version of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - 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. (CVE-2017-15088)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the krb5 package has been released.

Fix CVE-2017-15088 (Buffer overflow in get_matching_data())

----

Remove build dependency on python-pyrad. It is only used on the test suite, and we gracefully skip the tests if it is not present.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for krb5 fixes the following securitz issue&Ouml;

  - CVE-2017-15088: A buffer overflow in get_matching_data()     was fixed that could under specific circumstances be     used to execute code (bsc#1065274)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - krb5: Buffer overflow in get_matching_data() (CVE-2017-15088)

  - Kerberos: delegation constrain bypass in S4U2Proxy (CVE-2020-17049)

  - The kadm5_randkey_principal_3 function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka     krb5) before 1.13 sends old keys in a response to a -randkey -keepold request, which allows remote     authenticated users to forge tickets by leveraging administrative access. (CVE-2014-5351)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - null dereference in kadmind or DN container check     bypass by supplying special crafted data     (CVE-2018-5729)

  - DN container check bypass by supplying special crafted     data (CVE-2018-5730)

  - A stack based buffer overflow was found in the     get_matching_data() function, when reading the     principal's certificate during pkinit     preauthentication. If the Certifcate Authority's     subject line is sufficiently long, an attacker able to     have a specially crafted certificate signed could crash     the authentication process, such as kinit, or,     possibly, run arbitrary code.(CVE-2017-15088 )

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the version of the krb5 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - 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. (CVE-2017-15088)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for krb5 fixes the following issues: Security issues fixed :

  - CVE-2017-15088: A buffer overflow in get_matching_data()     was fixed that could under specific circumstances be     used to execute code (bsc#1065274)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
196450	RHEL 7 : krb5 (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	5/11/2024	7/12/2024	critical
106149	EulerOS 2.0 SP2 : krb5 (EulerOS-SA-2018-1008)	Nessus	Huawei Local Security Checks	1/19/2018	1/6/2021	critical
121788	Photon OS 2.0: Krb5 PHSA-2017-2.0-0007	Nessus	PhotonOS Local Security Checks	2/7/2019	7/23/2024	critical
105842	Fedora 27 : krb5 (2017-2dd6c320a4)	Nessus	Fedora Local Security Checks	1/15/2018	1/11/2021	critical
121779	Photon OS 1.0: Krb5 PHSA-2017-1.0-0093	Nessus	PhotonOS Local Security Checks	2/7/2019	7/23/2024	critical
104524	openSUSE Security Update : krb5 (openSUSE-2017-1266)	Nessus	SuSE Local Security Checks	11/13/2017	1/19/2021	critical
199136	RHEL 7 : krb5 (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	10/8/2024	critical
106148	EulerOS 2.0 SP1 : krb5 (EulerOS-SA-2018-1007)	Nessus	Huawei Local Security Checks	1/19/2018	1/6/2021	critical
119526	EulerOS 2.0 SP3 : krb5 (EulerOS-SA-2018-1398)	Nessus	Huawei Local Security Checks	12/10/2018	7/16/2024	critical
117549	EulerOS Virtualization 2.5.0 : krb5 (EulerOS-SA-2018-1240)	Nessus	Huawei Local Security Checks	9/18/2018	8/7/2024	critical
104473	SUSE SLED12 / SLES12 Security Update : krb5 (SUSE-SU-2017:2948-1)	Nessus	SuSE Local Security Checks	11/9/2017	1/6/2021	critical

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