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Scientific Linux Security Update : krb5 on SL7.x x86_64 (20161103)

medium Nessus Plugin ID 95842

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Synopsis

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

Description

The following packages have been upgraded to a newer upstream version:
krb5 (1.14.1).

Security Fix(es) :

 - A NULL pointer dereference flaw was found in MIT Kerberos kadmind service. An authenticated attacker with permission to modify a principal entry could use this flaw to cause kadmind to dereference a NULL pointer and crash by supplying an empty DB argument to the modify_principal command, if kadmind was configured to use the LDAP KDB module. (CVE-2016-3119)

 - A NULL pointer dereference flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to dereference a NULL pointer and crash by making an S4U2Self request, if the restrict_anonymous_to_tgt option was set to true.
 (CVE-2016-3120)

Additional Changes :

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?15321a5e

Plugin Details

Severity: Medium

ID: 95842

File Name: sl_20161103_krb5_on_SL7_x.nasl

Version: 3.7

Type: local

Agent: unix

Published: 12/15/2016

Updated: 1/14/2026

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:N/A:P

CVSS Score Source: CVE-2016-3120

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:N/A:H

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/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2016

Vulnerability Publication Date: 3/26/2016

Reference Information

CVE: CVE-2016-3119, CVE-2016-3120

IAVB: 2016-B-0115-S