Insecure deserialization in Apache Solr



| Updated: 2019-07-26
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-0192
CWE-ID CWE-502
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Apache Solr
Client/Desktop applications / Other client software

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU19391

Risk: High

CVSSv4.0: 9.3 [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:A/U:Amber]

CVE-ID: CVE-2019-0192

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data within the RMI server component. A remote non-authenticated attacker can configure the JMX server via an HTTP POST request to the Config API, make it point to a malicious RMI server and then execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Solr: 5.5.0 - 6.6.5

CPE2.3 External links

https://mail-archives.us.apache.org/mod_mbox/www-announce/201903.mbox/%3CCAECwjAV1buZwg%2BMcV9EAQ19MeAWztPVJYD4zGK8kQdADFYij1w%40mail.gmail.com%3E
https://lists.apache.org/thread.html/42c5682f4acd1d03bd963e4f47ae448d7cff66c16b19142773818892@%3Cdev.lucene.apache.org%3E
https://lists.apache.org/thread.html/53e4744b14fb7f1810405f8ff5531ab0953a23dd09ce8071ce87e00d@%3Cdev.lucene.apache.org%3E
https://lists.apache.org/thread.html/b0ace855f569c6b7a0b03ba68566e53b1a1a519abd536bf38978ce4a@%3Cdev.lucene.apache.org%3E
https://lists.apache.org/thread.html/d0e608c681dfbb16b4da68d99d43fa0ddbd366bb3bcf5bc0d43c56d7@%3Cdev.lucene.apache.org%3E
https://lists.apache.org/thread.html/ec9c572fb803b26ba0318777977ee6d6a2fb3a2c50d9b4224e541d5d@%3Cdev.lucene.apache.org%3E
https://issues.apache.org/jira/browse/SOLR-13301


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, a fully functional exploit for this vulnerability is available.



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