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EulerOS Virtualization 2.5.0 : krb5 (EulerOS-SA-2018-1240)

critical Nessus Plugin ID 117549

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

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.

Solution

Update the affected krb5 package.

See Also

http://www.nessus.org/u?b7348172

Plugin Details

Severity: Critical

ID: 117549

File Name: EulerOS_SA-2018-1240.nasl

Version: 1.8

Type: local

Published: 9/18/2018

Updated: 8/7/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2017-15088

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:huawei:euleros:uvp:2.5.0, p-cpe:/a:huawei:euleros:krb5-devel, p-cpe:/a:huawei:euleros:krb5-libs, p-cpe:/a:huawei:euleros:krb5-pkinit, p-cpe:/a:huawei:euleros:krb5-server, p-cpe:/a:huawei:euleros:krb5-workstation

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/21/2018

Reference Information

CVE: CVE-2017-15088