CVE-2018-8040

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-29 · updated 2026-06-17
Weakness: CWE-668

Description

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.

Affected products

Apache Software Foundation Apache Traffic Server: from 6.0.0 through 6.2.2; from 7.0.0 through 7.1.3
Debian Linux: 9.0

References

http://www.securityfocus.com/bid/105181
https://github.com/apache/trafficserver/pull/3926
https://lists.apache.org/thread.html/36b3df68fe7311965f6bc4630ca413d2aa99d8f1d53affda85ea70d7%40%3Cusers.trafficserver.apache.org%3E
https://lists.apache.org/thread.html/cc7aa2ce1c6f4fe0c6bfef517763cdaad30ec7bcb0115b73f73f3c01%40%3Cusers.trafficserver.apache.org%3E
https://www.debian.org/security/2018/dsa-4282
http://www.securityfocus.com/bid/105181
https://github.com/apache/trafficserver/pull/3926
https://lists.apache.org/thread.html/36b3df68fe7311965f6bc4630ca413d2aa99d8f1d53affda85ea70d7%40%3Cusers.trafficserver.apache.org%3E
https://lists.apache.org/thread.html/cc7aa2ce1c6f4fe0c6bfef517763cdaad30ec7bcb0115b73f73f3c01%40%3Cusers.trafficserver.apache.org%3E
https://www.debian.org/security/2018/dsa-4282

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