VIR Vulnerability Intelligence Relay

CVE-2016-4656

unknown KEV
Published 2022-05-24 · Modified 2022-05-24
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
2.5

Description

A memory corruption vulnerability in Apple iOS kernel allows attackers to execute code in a privileged context or cause a denial-of-service (DoS) via a crafted application.

CISA KEV

Vendor
Apple
Product
iOS
Due date
2022-06-14

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-44836 remote ios verified
Metasploit · 2018-06-05

WebKit - not_number defineProperties UAF (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_apple_ios/browser/webkit_trident rank
WebKit not_number defineProperties UAF
Source code queued for fetch — refresh in a moment.

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.