CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.6 | $5k-$25k | 0.00 |
A vulnerability was found in Microsoft Edge (Web Browser) (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component HTTPS Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (HEIST). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:
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.
The weakness was published 08/03/2016 by Mathy Vanhoef and Tom Van Goethem with iMinds-DistriNet as HEIST: HTTP Encrypted Information can be Stolen through TCP-windows as confirmed paper (Blackhat). It is possible to read the advisory at blackhat.com. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2016-7152 since 09/06/2016. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/15/2022). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.
The best possible mitigation is suggested to be Workaround.
arstechnica.com is providing further details. Similar entries are available at 91292, 91293, 91294 and 91296.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.6
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: HEISTClass: Information disclosure / HEIST
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: WorkaroundStatus: 🔍
0-Day Time: 🔍
Timeline
08/03/2016 🔍09/06/2016 🔍
09/06/2016 🔍
09/06/2016 🔍
09/07/2016 🔍
09/15/2022 🔍
Sources
Vendor: microsoft.comAdvisory: HEIST: HTTP Encrypted Information can be Stolen through TCP-windows
Researcher: Mathy Vanhoef, Tom Van Goethem
Organization: iMinds-DistriNet
Status: Confirmed
CVE: CVE-2016-7152 (🔍)
SecurityTracker: 1036741
SecurityFocus: 92769 - HTTPS CVE-2016-7152 Information Disclosure Vulnerability
Misc.: 🔍
See also: 🔍
Entry
Created: 09/07/2016 11:07Updated: 09/15/2022 07:13
Changes: 09/07/2016 11:07 (50), 04/10/2019 22:12 (12), 09/15/2022 07:13 (3)
Complete: 🔍
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