CentOS 7 : krb5 (CESA-2021:4788)
medium Nessus Plugin ID 155821
Language:
Synopsis
The remote CentOS Linux host is missing a security update.Description
The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:4788 advisory.- krb5: NULL pointer dereference in process_tgs_req() in kdc/do_tgs_req.c via a FAST inner body that lacks server field (CVE-2021-37750)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 155821
File Name: centos_RHSA-2021-4788.nasl
Version: 1.2
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 12/3/2021
Updated: 12/3/2021
Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure
Risk Information
CVSS Score Source: CVE-2021-37750
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4
Temporal Score: 3
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Temporal Vector: E:U/RL:OF/RC:C
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: E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:krb5-devel, p-cpe:/a:centos:centos:krb5-libs, p-cpe:/a:centos:centos:krb5-pkinit, p-cpe:/a:centos:centos:krb5-server, p-cpe:/a:centos:centos:krb5-server-ldap, p-cpe:/a:centos:centos:krb5-workstation, p-cpe:/a:centos:centos:libkadm5, cpe:/o:centos:centos:7
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 12/2/2021
Vulnerability Publication Date: 8/23/2021
Reference Information
CVE: CVE-2021-37750