Detections
Analytics
RHEL 6 : krb5-appl (RHSA-2020:1349)
critical Nessus Plugin ID 135239
Language:
Synopsis
The remote Red Hat host is missing a security update for krb5-appl.Description
The remote Redhat Enterprise Linux 6 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:1349 advisory.The krb5-appl packages contain Kerberos-aware versions of telnet, ftp, rsh, and rlogin clients and servers. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and trusted third-party, the Key Distribution Center (KDC).
Security Fix(es):
* telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code (CVE-2020-10188)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL krb5-appl package based on the guidance in RHSA-2020:1349.See Also
http://www.nessus.org/u?f22addf1
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Critical
ID: 135239
File Name: redhat-RHSA-2020-1349.nasl
Version: 1.12
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/7/2020
Updated: 11/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2020-10188
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: p-cpe:/a:redhat:enterprise_linux:krb5-appl-servers, p-cpe:/a:redhat:enterprise_linux:krb5-appl, cpe:/o:redhat:enterprise_linux:6
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: 4/7/2020
Vulnerability Publication Date: 3/6/2020
Reference Information
CVE: CVE-2020-10188