Apache Solr up to 7.0 Apache Lucene RunExecutableListener xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Solr up to 7.0 and classified as critical. Impacted is the function RunExecutableListener of the component Apache Lucene. Executing a manipulation can lead to xml external entity reference. This vulnerability is registered as CVE-2017-12629. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apache Solr up to 7.0 and classified as critical. This vulnerability affects the function RunExecutableListener of the component Apache Lucene. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListener class. Elasticsearch, although it uses Lucene, is NOT vulnerable to this.

The bug was discovered 09/22/2017. The weakness was published 10/14/2017 (Website). The advisory is shared for download at mail-archives.us.apache.org. This vulnerability was named CVE-2017-12629 since 08/07/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 103843 (FreeBSD : solr -- Code execution via entity expansion (e837390d-0ceb-46b8-9b32-29c1195f5dc7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236611 (Red Hat Update for JBoss Enterprise Application Platform 7.0.9 (RHSA-2018:0002)).

Upgrading to version 7.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43009), Tenable (103843) and SecurityFocus (BID 101261†). Similar entries are available at VDB-106589 and VDB-111695. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103843
Nessus Name: FreeBSD : solr -- Code execution via entity expansion (e837390d-0ceb-46b8-9b32-29c1195f5dc7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800678
OpenVAS Name: Apache Solr Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Solr 7.1
Suricata ID: 2024884
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

08/07/2017 🔍
09/22/2017 +46 days 🔍
10/12/2017 +20 days 🔍
10/13/2017 +1 days 🔍
10/14/2017 +1 days 🔍
10/14/2017 +0 days 🔍
10/15/2017 +1 days 🔍
10/16/2017 +1 days 🔍
01/03/2023 +1905 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: RHSA-2017:3123
Researcher: Michael Stepankin
Status: Not defined

CVE: CVE-2017-12629 (🔍)
GCVE (CVE): GCVE-0-2017-12629
GCVE (VulDB): GCVE-100-107860

OVAL: 🔍

SecurityFocus: 101261 - Apache Solr/Lucene CVE-2017-12629 Information Disclosure and Remote Code Execution Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/15/2017 12:03
Updated: 01/03/2023 14:51
Changes: 10/15/2017 12:03 (79), 11/24/2019 16:52 (8), 01/17/2021 07:28 (3), 01/03/2023 14:51 (2)
Complete: 🔍
Cache ID: 216::103

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