Scientific Linux Security Update : krb5 on SL7.x x86_64 (20180410)

medium Nessus Plugin ID 109450

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

- krb5: Authentication bypass by improper validation of certificate EKU and SAN (CVE-2017-7562)

- krb5: Invalid S4U2Self or S4U2Proxy request causes assertion failure (CVE-2017-11368)

Additional Changes :

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?0de76a81

Plugin Details

Severity: Medium

ID: 109450

File Name: sl_20180410_krb5_on_SL7_x.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/1/2018

Updated: 10/16/2024

Supported Sensors: Nessus Agent, 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:fermilab:scientific_linux:krb5-debuginfo, p-cpe:/a:fermilab:scientific_linux:krb5-workstation, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:krb5-libs, p-cpe:/a:fermilab:scientific_linux:krb5-server, p-cpe:/a:fermilab:scientific_linux:libkadm5, p-cpe:/a:fermilab:scientific_linux:krb5-pkinit, p-cpe:/a:fermilab:scientific_linux:krb5-devel, p-cpe:/a:fermilab:scientific_linux:krb5-server-ldap

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/10/2018

Vulnerability Publication Date: 8/9/2017

Reference Information

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