Fedora 21 : bash-4.3.22-3.fc21 (2014-11295) (Shellshock)

Critical Nessus Plugin ID 77935

Synopsis

The remote Fedora host is missing a security update.

Description

Disclosure - http://www.openwall.com/lists/oss-security/2014/09/24/10

Behaviour prior to patch :

$ env x='() { :;}; echo OOPS' bash -c /usr/sbin/nologin OOPS This account is currently not available.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected bash package.

See Also

https://www.openwall.com/lists/oss-security/2014/09/24/10

https://bugzilla.redhat.com/show_bug.cgi?id=1141597

http://www.nessus.org/u?0d79d1c0

Plugin Details

Severity: Critical

ID: 77935

File Name: fedora_2014-11295.nasl

Version: 1.18

Type: local

Agent: unix

Published: 2014/09/29

Updated: 2020/03/12

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:bash, cpe:/o:fedoraproject:fedora:21

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/09/24

Exploitable With

Core Impact

Metasploit (Apache mod_cgi Bash Environment Variable Code Injection (Shellshock))

Reference Information

CVE: CVE-2014-6271

BID: 70103

FEDORA: 2014-11295

IAVA: 2014-A-0142