Buffer overflow in Apple Iphone OS
CVE-2016-4622
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-4589, CVE-2016-4623, and CVE-2016-4624.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.188 (97.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.188 · newest: 0.188 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-16-485 (VDB Entry, Third Party Advisory)
- lists.apple.com/archives/security-announce/2016/Jul/msg00003.html (vendor-advisory, Mailing List, Vendor Advisory)
- lists.apple.com/archives/security-announce/2016/Jul/msg00001.html (vendor-advisory, Mailing List, Vendor Advisory)
- www.securityfocus.com/bid/91830 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT206900 (Vendor Advisory)
- www.securitytracker.com/id/1036343 (VDB Entry, Third Party Advisory, vdb-entry)
- packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosur… (VDB Entry, Third Party Advisory)
- www.securityfocus.com/archive/1/539295/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-16-486 (VDB Entry, Third Party Advisory)
- support.apple.com/HT206905 (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-4622?
- CVE-2016-4622 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-07-22.
- How severe is CVE-2016-4622?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-4622 known to be exploited?
- 48 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.