Medium severity · published Sep 6, 2016
CVE-2016-7153
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…
5.3
CVSS
12.8%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.8% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
All versions, or not specified · source: NVD
FI
Firefox · Mozilla
All versions, or not specified · source: NVD
ED
Edge · Microsoft
All versions, or not specified · source: NVD
IE
Internet Explorer · Microsoft
All versions, or not specified · source: NVD
OB
Opera Browser · Opera
All versions, or not specified · source: NVD
SA
Safari · Apple
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7153
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7153
Technical Description
http://arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-and-more-from-https-pages/
www.securityfocus.com
http://www.securityfocus.com/bid/92773
www.securitytracker.com
http://www.securitytracker.com/id/1036741
www.securitytracker.com
http://www.securitytracker.com/id/1036742
www.securitytracker.com
http://www.securitytracker.com/id/1036743
www.securitytracker.com
http://www.securitytracker.com/id/1036744
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