Remote code execution in Apache Solr

1) Command injection

EUVDB-ID: #VU10219

Risk: High

CVSSv4.0: 8.9 [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:P/U:Amber]

CVE-ID: CVE-2017-12629

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the RunExecutableListener function due to insufficient security restrictions. A remote attacker can submit a specially crafted query to the affected system, inject arbitrary command and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apache Solr: 5.5.0 - 7.0.1

CPE2.3

• cpe:2.3:a:apache_foundation:apache_solr:5.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:6.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_solr:7.0.1:*:*:*:*:*:*:*

External links

https://mail-archives.us.apache.org/mod_mbox/www-announce/201710.mbox/%3C018601d343b3$53868c50$fa93a4...
https://mail-archives.us.apache.org/mod_mbox/www-announce/201710.mbox/%3CCAOOKt51UO_6Vy%3Dj8W%3Dx1pMbLW9VJfZyFWz7pAnXJC_OAdSZubA%40mail.gmail.com%3E

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. However, proof of concept for this vulnerability is available.