CVE-2016-7152

Impact:
Low
Public Date:
2016-08-03
Bugzilla:
1388003: CVE-2016-7152 HTTPS: HEIST attack allows attackers to sniff TLS encrypted HTTP traffic

The MITRE CVE dictionary describes this issue as:

The HTTPS 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.

Find out more about CVE-2016-7152 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.6
Base Metrics AV:N/AC:H/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 httpd Not affected

Mitigation

Disable third-party cookies in the browser.

https://support.mozilla.org/en-US/kb/disable-third-party-cookies (Firefox)
https://support.google.com/chrome/answer/95647?hl=en (Google Chrome)

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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