Vulnerability identifier: #VU10219

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-12629

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Solr
Client/Desktop applications / Other client software

Vendor: Apache Foundation

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: 7.0.0 - 7.0.1, 6.6.0 - 6.6.1, 6.5.0 - 6.5.1, 6.4.0 - 6.4.2, 6.3.0, 6.2.0 - 6.2.1, 6.1.0, 6.0.0 - 6.0.1, 5.5.0 - 5.5.4

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

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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.