OS Command Injection in spip.net SPIP

1) OS Command Injection

EUVDB-ID: #VU38851

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-9736

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

SPIP 3.1.x before 3.1.6 and 3.2.x before Beta 3 does not remove shell metacharacters from the host field, allowing a remote attacker to cause remote code execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SPIP: 3.1.0 - 3.2.0

CPE2.3

• cpe:2.3:a:spip_net:spip:3.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.2:*:*:*:*:*:*:*
• cpe:2.3:a:spip_net:spip:3.2.0:*:*:*:*:*:*:*

External links

https://www.debian.org/security/2017/dsa-3890
https://contrib.spip.net/CRITICAL-security-update-SPIP-3-1-6-and-SPIP-3-2-Beta
https://core.spip.net/projects/spip/repository/revisions/23593
https://core.spip.net/projects/spip/repository/revisions/23594

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.