Vulnerability Monitor

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CVE-2017-2491

Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.

Published

2017-06-27T20:29:00.980

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	iphone_os	≤ 10.2.1	Yes

References

http://www.securityfocus.com/bid/98316 Third Party Advisory, VDB Entry ([email protected])
http://www.zerodayinitiative.com/advisories/ZDI-17-321 Third Party Advisory, VDB Entry ([email protected])
https://support.apple.com/en-us/HT207617 Vendor Advisory ([email protected])
https://www.exploit-db.com/exploits/41964/ ([email protected])
http://www.securityfocus.com/bid/98316 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.zerodayinitiative.com/advisories/ZDI-17-321 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT207617 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/41964/ (af854a3a-2127-422b-91ae-364da2661108)