CVE-2018-11783 : sslheaders plugin extracts information from the client certificate and sets head

sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7.1.5, and 8.0.0 to 8.0.1.

Published 2019-03-07 18:29:00

Updated 2019-03-18 18:31:51

Source Apache Software Foundation

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2018-11783

Apache » Traffic Server
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.1.5
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions
Apache » Traffic Server
Versions from including (>=) 8.0.0 and up to, including, (<=) 8.0.1
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions
Apache » Traffic Server
Versions from including (>=) 6.0.0 and up to, including, (<=) 6.0.3
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-11783

Top countries where our scanners detected CVE-2018-11783

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-11783 640

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-11783!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-11783

EPSS FAQ

1.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 76 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-11783

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2018-11783

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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)

References for CVE-2018-11783

https://lists.apache.org/thread.html/4f102f943935476732fb1fb653d687c7b69d29d9792f0d6cf72c505e@%3Cannounce.trafficserver.apache.org%3E

[ANNOUNCE] Apache Traffic Server vulnerability with sslheader plugin - Pony Mail
Mailing List;Third Party Advisory
http://www.securityfocus.com/bid/107032

Apache Traffic Server sslheader Plugin CVE-2018-11783 Information Disclosure Vulnerability
Third Party Advisory