Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2017-2521 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Apple Iphone OS

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer11 documents7 sources
Severity
8.8HIGHNVD
EPSS
5.7%
top 9.53%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
7
Apple Iphone OSApple MAC OS XApple Tvos+4 more
Timeline
PublishedMay 22
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages9 packages

▶NVDapple/tvos< 10.2.1
▶NVDapple/watchos< 3.2.2
▶Appleapple/tvos10.2.1
▶Appleapple/safari10.1.1
▶Appleapple/watchos3.2.2

🔴Vulnerability Details

2
GHSA
GHSA-9f8h-4vq6-qr4v: An issue was discovered in certain Apple products↗2022-05-14
▶
OSV
CVE-2017-2521: An issue was discovered in certain Apple products↗2017-05-22
▶

💥Exploits & PoCs

1
Exploit-DB
WebKit JSC - 'JSObject::ensureLength' ensureLengthSlow Check Failure↗2017-06-01
▶

📋Vendor Advisories

5
Apple
CVE-2017-2521: iOS 10.3.2↗2017-05-15
▶
Apple
CVE-2017-2521: tvOS 10.2.1↗2017-05-15
▶
Apple
CVE-2017-2521: watchOS 3.2.2↗2017-05-15
▶
Apple
CVE-2017-2521: Safari 10.1.1↗2017-05-15
▶
Debian
CVE-2017-2521: webkit2gtk - An issue was discovered in certain Apple products. iOS before 10.3.2 is affected...↗2017
▶

📄Research Papers

2
arXiv
SOK: On the Analysis of Web Browser Security↗2021-12-31
▶
arXiv
Rethinking Misalignment to Raise the Bar for Heap Pointer Corruption↗2018-08-08
▶