Buffer overflow in Apple Iphone OS
CVE-2017-2521
An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
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: 0.059 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1038487 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT207800 (Vendor Advisory)
- www.exploit-db.com/exploits/42103/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- support.apple.com/HT207804 (Vendor Advisory)
- security.gentoo.org/glsa/201706-15 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/98456 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT207798 (Vendor Advisory)
- support.apple.com/HT207801 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-2521?
- CVE-2017-2521 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 2017-05-22.
- How severe is CVE-2017-2521?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-2521 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.