OracleVM 3.3 / 3.4 : bash (OVMSA-2017-0050)

Critical Nessus Plugin ID 99077


The remote OracleVM host is missing a security update.


The remote OracleVM system is missing necessary patches to address critical security updates :

- Fix signal handling in read builtin Resolves: #1421926

- CVE-2016-9401 - Fix crash when '-' is passed as second sign to popd Resolves: #1396383

- CVE-2016-7543 - Fix for arbitrary code execution via SHELLOPTS+PS4 variables Resolves: #1379630

- CVE-2016-0634 - Fix for arbitrary code execution via malicious hostname Resolves: #1377613

- Avoid crash in parameter expansion while expanding long strings Resolves: #1359142

- Stop reading input when SIGHUP is received Resolves:

- Bash leaks memory while doing pattern removal in parameter expansion Resolves: #1283829

- Fix a race condition in saving bash history on shutdown Resolves: #1325753

- Bash shouldn't ignore bash --debugger without a dbger installed Related: #1260568

- Wrong parsing inside for loop and brackets Resolves:

- IFS incorrectly splitting herestrings Resolves: #1250070

- Case in a for loop in a subshell causes a syntax error Resolves: #1240994

- Bash shouldn't ignore bash --debugger without a dbger installed Resolves: #1260568

- Bash leaks memory when repeatedly doing a pattern-subst Resolves: #1207042

- Bash hangs when a signal is received Resolves: #868846


Update the affected bash package.

See Also

Plugin Details

Severity: Critical

ID: 99077

File Name: oraclevm_OVMSA-2017-0050.nasl

Version: $Revision: 3.2 $

Type: local

Published: 2017/03/30

Modified: 2017/03/31

Dependencies: 12634

Risk Information

Risk Factor: Critical


Base Score: 10

Temporal Score: 8.3

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 8.4

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:bash, cpe:/o:oracle:vm_server:3.3, cpe:/o:oracle:vm_server:3.4

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/03/29

Exploitable With

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

Reference Information

CVE: CVE-2014-7169, CVE-2016-0634, CVE-2016-7543, CVE-2016-9401

BID: 70137

OSVDB: 112004, 144525, 144718, 147533

IAVA: 2014-A-0142