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CVE
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CVE-2021-30860Date: (C)2021-08-25   (M)2024-02-09


An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 6.8
Exploit Score: 1.8Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
http://seclists.org/fulldisclosure/2021/Sep/25
http://seclists.org/fulldisclosure/2021/Sep/26
http://seclists.org/fulldisclosure/2021/Sep/27
http://seclists.org/fulldisclosure/2021/Sep/28
http://seclists.org/fulldisclosure/2021/Sep/38
http://seclists.org/fulldisclosure/2021/Sep/39
http://seclists.org/fulldisclosure/2021/Sep/40
http://seclists.org/fulldisclosure/2021/Sep/50
GLSA-202209-21
http://www.openwall.com/lists/oss-security/2022/09/02/11
https://support.apple.com/en-us/HT212804
https://support.apple.com/en-us/HT212805
https://support.apple.com/en-us/HT212806
https://support.apple.com/en-us/HT212807
https://support.apple.com/kb/HT212824

CWE    1
CWE-190
OVAL    6
oval:org.secpod.oval:def:74839
oval:org.secpod.oval:def:74838
oval:org.secpod.oval:def:74840
oval:org.secpod.oval:def:124214
...

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