Security readout for executives and security teams
Apache Traffic Server could let pages rendered through its ESI plugin see the Cookie header even when configuration was meant to block that access. If exposed, sensitive session or identity cookies could be disclosed to page logic that should not receive them. Exposure is limited to deployments running affected Apache Traffic Server versions with the ESI plugin rendering pages and configured to restrict Cookie header access. Organizations not using ATS or not using the ESI plugin are less likely to be affected based on the provided sources. Prioritize remediation where ATS sits in front of authenticated applications or handles session cookies. The issue is configuration-specific and has no cited active exploitation, but cookie exposure can create material account or privacy risk. Mitigation focus: Upgrade ATS 6.x deployments to 6.2.3 or later.; Upgrade ATS 7.x deployments to 7.1.4 or later.; Identify any ATS instances using the ESI plugin..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-8040 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/apache/trafficserver/pull/3926CVE reference · x_refsource_CONFIRM
- [trafficserver-users] 20180828 [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040CVE reference · mailing-list, x_refsource_MLIST
- [trafficserver-users] 20180828 Re: [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040CVE reference · mailing-list, x_refsource_MLIST
- DSA-4282CVE reference · vendor-advisory, x_refsource_DEBIAN
Products and packages named in the record
CWE details
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