National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-7153 Detail

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.

Source:  MITRE
Description Last Modified:  09/06/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-and-more-from-https-pages/ 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.pdf Technical Description

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7153
NVD Published Date:
09/06/2016
NVD Last Modified:
02/19/2017