Home/CVE/Apple iOS Information Disclosure Vulnerability
CVE

CVE-2016-4655

Apple iOS Information Disclosure Vulnerability

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

MEDIUM · CVSS 5.5 ⚠ CISA KEV EPSS 0.82094
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

1
actorNSO Group / Pegasus
▤

Affected Products & Versions

2
apple iphone os< 9.3.5
apple iphone osall versions
⚠

Public Exploits & PoCs

2
remoteWebKit - not_number defineProperties UAF (Metasploit)verified
pocwww.exploit-db.com · 44836www.exploit-db.com
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalHacktool Execution - Imphash
relatedcriticalHackTool - Rubeus Execution
relatedcriticalPotential Credential Dumping Via LSASS Process Clone
relatedcriticalWCE wceaux.dll Access
relatedcriticalRenamed Whoami Execution
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Aug 2016 · 09:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2016-4655
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.htmlBroken LinkMailing ListVendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00005.htmlBroken LinkMailing ListVendor Advisory
http://www.securityfocus.com/bid/92651Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92965Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036694Broken LinkThird Party AdvisoryVDB Entry
https://blog.lookout.com/blog/2016/08/25/trident-pegasus/Broken Link
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