Multiple vulnerabilities in Red Hat Ansible
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2016-8647 CVE-2016-9587 CVE-2017-7466 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
Ansible Server applications / Remote management servers, RDP, SSH |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper input validation
EUVDB-ID: #VU7411
Risk: Low
CVSSv3.1: 2 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-8647
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to bypass security restrictions on the target system.
The weakness exists due to input validation error in Ansible's mysql_user module that may lead to incorrect password changing. An adjacent attacker can use the previous password and bypass security restrictions.
Successful exploitation of the vulnerability may result in access to the system.
Update to version 2.3.0.
Ansible: 2.0.0 - 2.2.3
External linkshttp://github.com/ansible/ansible-modules-core/pull/5388
http://rhn.redhat.com/errata/RHSA-2017-1685.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper input validation
EUVDB-ID: #VU6639
Risk: Medium
CVSSv3.1: 8.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2016-9587,CVE-2017-7466
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when processing responses, send by clients to Ansible server. A remote client can send a specially crafted response and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate to version 2.3.0.
Vulnerable software versionsAnsible: 2.0.0 - 2.2.3
External linkshttp://github.com/ansible/ansible-modules-core/pull/5388
http://rhn.redhat.com/errata/RHSA-2017-1685.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
