Vulnerability Details : CVE-2018-17244
Elasticsearch Security versions 6.4.0 to 6.4.2 contain an error in the way request headers are applied to requests when using the Active Directory, LDAP, Native, or File realms. A request may receive headers intended for another request if the same username is being authenticated concurrently; when used with run as, this can result in the request running as the incorrect user. This could allow a user to access information that they should not have access to.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2018-17244
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 41 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-17244
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-17244
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
-
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.Assigned by: bressers@elastic.co (Secondary)
References for CVE-2018-17244
-
http://www.securityfocus.com/bid/106318
Elasticsearch Security CVE-2018-17244 Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
https://www.elastic.co/community/security
Elastic Stack Security Disclosures ยท Report Issues | ElasticVendor Advisory
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https://discuss.elastic.co/t/elastic-stack-6-4-3-and-5-6-13-security-update/155594
Elastic Stack 6.4.3 and 5.6.13 security update - Security Announcements - Discuss the Elastic StackVendor Advisory
Products affected by CVE-2018-17244
- cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*