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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Edge | - |
| Microsoft | Internet Explorer | - |
| Chrome | - | |
| Apple | Safari | All versions |
| Opera | Opera Browser | - |
| Mozilla | Firefox | All versions |
Related Weaknesses (CWE)
References
- http://arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-Technical Description
- http://www.securityfocus.com/bid/92773
- http://www.securitytracker.com/id/1036741
- http://www.securitytracker.com/id/1036742
- http://www.securitytracker.com/id/1036743
- http://www.securitytracker.com/id/1036744
- http://www.securitytracker.com/id/1036745
- http://www.securitytracker.com/id/1036746
- https://tom.vg/papers/heist_blackhat2016.pdfTechnical Description
- http://arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-Technical Description
- http://www.securityfocus.com/bid/92773
- http://www.securitytracker.com/id/1036741
- http://www.securitytracker.com/id/1036742
- http://www.securitytracker.com/id/1036743
- http://www.securitytracker.com/id/1036744
FAQ
What is CVE-2016-7153?
CVE-2016-7153 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 levera...
How severe is CVE-2016-7153?
CVE-2016-7153 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-7153?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge, Microsoft Internet Explorer, Google Chrome, Apple Safari, Opera Opera Browser.