CVE-2018-8040 : Pages that are rendered using the ESI plugin can have access to the cookie heade

Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

Published 2018-08-29 13:29:02

Updated 2019-10-03 00:03:26

Source Apache Software Foundation

View at NVD, CVE.org

Products affected by CVE-2018-8040

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Apache » Traffic Server
Versions from including (>=) 7.0.0 and up to, including, (<=) 7.1.3
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions
Apache » Traffic Server
Versions from including (>=) 6.0.0 and up to, including, (<=) 6.2.2
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-8040

Top countries where our scanners detected CVE-2018-8040

Top open port discovered on systems with this issue 80

IPs affected by CVE-2018-8040 402

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-8040!

^*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-2018-8040

EPSS FAQ

17.94%

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

~ 95 %

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

CVSS scores for CVE-2018-8040

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

CWE ids for CVE-2018-8040

CWE-668 Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8040

https://lists.apache.org/thread.html/36b3df68fe7311965f6bc4630ca413d2aa99d8f1d53affda85ea70d7@%3Cusers.trafficserver.apache.org%3E

Re: [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040 - Pony Mail
Mailing List;Vendor Advisory
https://www.debian.org/security/2018/dsa-4282

Debian -- Security Information -- DSA-4282-1 trafficserver
Third Party Advisory

CVEs referencing this url
https://lists.apache.org/thread.html/cc7aa2ce1c6f4fe0c6bfef517763cdaad30ec7bcb0115b73f73f3c01@%3Cusers.trafficserver.apache.org%3E

Pony Mail!
Mitigation;Mailing List;Vendor Advisory
https://github.com/apache/trafficserver/pull/3926

Restrict access to request headers for ESI variables by shukitchan · Pull Request #3926 · apache/trafficserver · GitHub
Patch;Third Party Advisory
http://www.securityfocus.com/bid/105181

Apache Traffic Server CVE-2018-8040 Security Bypass Vulnerabilty
Third Party Advisory;VDB Entry