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EulerOS 2.0 SP2 : krb5 (EulerOS-SA-2018-1354)

medium Nessus Plugin ID 118737

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

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

 - 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 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)

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.

Solution

Update the affected krb5 packages.

See Also

http://www.nessus.org/u?7645968a

Plugin Details

Severity: Medium

ID: 118737

File Name: EulerOS_SA-2018-1354.nasl

Version: 1.55

Type: local

Published: 11/6/2018

Updated: 7/26/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2017-7562

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:krb5-libs, p-cpe:/a:huawei:euleros:libkadm5, p-cpe:/a:huawei:euleros:krb5-workstation, p-cpe:/a:huawei:euleros:krb5-pkinit, p-cpe:/a:huawei:euleros:krb5-devel, p-cpe:/a:huawei:euleros:krb5-server-ldap, cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:krb5-server

Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/27/2018

Reference Information

CVE: CVE-2017-11368, CVE-2017-7562