Information disclosure in Apple Safari
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 cleartext data by leveraging a web-browser configuration in which third-party cookies are sent, aka a "HEIST" attack.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.140 (96.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.140 · newest: 0.140 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securitytracker.com/id/1036741 (vdb-entry)
- www.securitytracker.com/id/1036742 (vdb-entry)
- tom.vg/papers/heist_blackhat2016.pdf (Technical Description)
- www.securitytracker.com/id/1036745 (vdb-entry)
- arstechnica.com/security/2016/08/new-attack-steals-ssns-e-mail-addresses-and-mo… (Technical Description)
- www.securitytracker.com/id/1036744 (vdb-entry)
- www.securitytracker.com/id/1036743 (vdb-entry)
- www.securityfocus.com/bid/92773 (vdb-entry)
- www.securitytracker.com/id/1036746 (vdb-entry)
Frequently asked questions
- What is CVE-2016-7153?
- CVE-2016-7153 is a medium-severity vulnerability in Apple Safari, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-09-06.
- How severe is CVE-2016-7153?
- Medium severity. CVSS v3 base score is 5.3 out of 10.