Vulnerability Name:

CVE-2019-8794 (CCN-170731)

Assigned:2019-10-28
Published:2019-10-28
Updated:2019-12-26
Summary:A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. An application may be able to read restricted memory.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-8794

Source: XF
Type: UNKNOWN
apple-ios-cve20198794-info-disc(170731)

Source: CCN
Type: Apple security document HT210721
About the security content of iOS 13.2 and iPadOS 13.2

Source: CCN
Type: Apple security document HT210723
About the security content of tvOS 13.2

Source: CCN
Type: Apple security document HT210724
About the security content of watchOS 6.1

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210721

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210722

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210723

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT210724

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.1)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.2)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.1)

  • Configuration CCN 1:
  • cpe:/o:apple:ios:13.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple iphone os 13.1