Published: 22/05/2017 Updated: 21/03/2019

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 685

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

An issue exists in certain Apple products. iOS prior to 10.3.2 is affected. Safari prior to 10.1.1 is affected. tvOS prior to 10.2.1 is affected. watchOS prior to 3.2.2 is affected. The issue involves the "WebKit" component. It allows remote malicious users to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Vulnerable Product	Search on Vulmon	Subscribe to Product
apple watchos
apple mac os x
apple iphone os
apple tvos

/* Source: bugschromiumorg/p/project-zero/issues/detail?id=1165 Here's a snippet of JSObject::ensureLength bool WARN_UNUSED_RETURN ensureLength(VM& vm, unsigned length) { ASSERT(length < MAX_ARRAY_INDEX); ASSERT(hasContiguous(indexingType()) || hasInt32(indexingType()) || hasDouble(indexingType()) || hasUndecided(indexin ...

WebKit JSC JSObject::ensureLength does not check if ensureLengthSlow fails ...

CWE-119 https://support.apple.com/HT207804 https://support.apple.com/HT207801 https://support.apple.com/HT207800 https://support.apple.com/HT207798 http://www.securityfocus.com/bid/98456 https://security.gentoo.org/glsa/201706-15 http://www.securitytracker.com/id/1038487 https://www.exploit-db.com/exploits/42103/https://nvd.nist.gov https://www.exploit-db.com/exploits/42103/

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CVE-2017-2521

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