The HTTP/2 protocol does not consider the role of the...
Vulnerability Description
The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securitytracker.com/id/1036741
- http://www.securitytracker.com/id/1036742
- https://tom.vg/papers/heist_blackhat2016.pdf
- http://www.securitytracker.com/id/1036745
- http://arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-and-more-from-https-pages/
- http://www.securitytracker.com/id/1036744
- http://www.securitytracker.com/id/1036743
- http://www.securityfocus.com/bid/92773
- http://www.securitytracker.com/id/1036746
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.