Detections
Analytics
Amazon Linux AMI : bash (ALAS-2014-418) (Shellshock)
critical Nessus Plugin ID 78361
Language:
Synopsis
The remote Amazon Linux AMI host is missing a security update.Description
This ALAS is superceded by ALAS-2014-419.A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue.
We'd like to also give credit to our colleagues at Red Hat for their excellent blog post summarizing this issue.
This ALAS is superceded by ALAS-2014-419.
Solution
Run 'yum update bash' to update your system.See Also
Plugin Details
Severity: Critical
ID: 78361
File Name: ala_ALAS-2014-418.nasl
Version: 1.16
Type: local
Agent: unix
Published: 10/12/2014
Updated: 12/5/2022
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: Critical
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:bash-debuginfo, p-cpe:/a:amazon:linux:bash, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:bash-doc
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/25/2014
Vulnerability Publication Date: 9/24/2014
CISA Known Exploited Vulnerability Due Dates: 7/28/2022
Exploitable With
Core Impact
Metasploit (Qmail SMTP Bash Environment Variable Injection (Shellshock))
Reference Information
CVE: CVE-2014-6271
ALAS: 2014-418
IAVA: 2014-A-0142