CVE-2017-2491

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

http://www.securityfocus.com/bid/98316

http://www.zerodayinitiative.com/advisories/ZDI-17-321

https://support.apple.com/en-us/HT207617

https://www.exploit-db.com/exploits/41964/

Details

Source: MITRE

Published: 2017-06-27

Updated: 2019-10-03

Type: CWE-416

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to 10.2.1 (inclusive)

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
99264Apple TV < 10.2 Multiple VulnerabilitiesNessusMisc.
high
99167macOS : Apple Safari < 10.1 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
high
99127Apple iOS < 10.3 Multiple VulnerabilitiesNessusMobile Devices
critical