CVE-2017-9803
Apache Solr Kerberos Delegation Token Configuration Disclosure and Privilege Escalation Vulnerability
Description
Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application. There are two issues with this functionality (when using SecurityAwareZkACLProvider type of ACL provider e.g. SaslZkACLProvider). Firstly, access to the security configuration can be leaked to users other than the solr super user. Secondly, malicious users can exploit this leaked configuration for privilege escalation to further expose/modify private data and/or disrupt operations in the Solr cluster. The vulnerability is fixed from Apache Solr 6.6.1 onwards.
INFO
Published Date :
Sept. 18, 2017, 9:29 p.m.
Last Modified :
Nov. 21, 2024, 3:36 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
1.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-9803.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-9803 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-9803 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%2BR_fcXD0C9s5mQ-OzdgYdnHz49u1KmXw%40mail.gmail.com%3E Added Reference http://www.securityfocus.com/bid/100870 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apache Software Foundation http://mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%2BR_fcXD0C9s5mQ-OzdgYdnHz49u1KmXw%40mail.gmail.com%3E [No types assigned] Removed Reference Apache Software Foundation http://mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%[email protected]%3E -
Modified Analysis by [email protected]
Mar. 08, 2019
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 20, 2019
Action Type Old Value New Value Changed Description Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application. There are two issues with this functionality (when using SecurityAwareZkACLProvider type of ACL provider e.g. SaslZkACLProvider). Firstly, access to the security configuration can be leaked to users other than the solr super user. Secondly, malicious users can exploit this leaked configuration for privilege escalation to further expose/modify private data and/or disrupt operations in the Solr cluster. The vulnerability is fixed from Solr 6.6.1 onwards. Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application. There are two issues with this functionality (when using SecurityAwareZkACLProvider type of ACL provider e.g. SaslZkACLProvider). Firstly, access to the security configuration can be leaked to users other than the solr super user. Secondly, malicious users can exploit this leaked configuration for privilege escalation to further expose/modify private data and/or disrupt operations in the Solr cluster. The vulnerability is fixed from Apache Solr 6.6.1 onwards. -
Initial Analysis by [email protected]
Oct. 04, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:S/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%[email protected]%3E No Types Assigned http://mail-archives.us.apache.org/mod_mbox/www-announce/201709.mbox/%3CCAOOKt53AOScg04zUh0%[email protected]%3E Mailing List, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/100870 No Types Assigned http://www.securityfocus.com/bid/100870 Third Party Advisory, VDB Entry Added CWE CWE-287 Added CPE Configuration OR *cpe:2.3:a:apache:solr:6.2.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.2.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.3.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.4.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.4.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.4.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.5.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.5.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:solr:6.6.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 20, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/100870 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-9803 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-9803
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.02%
score
0.36865
percentile