Vulnerability Name:

CVE-2019-8774 (CCN-190603)

Assigned:2019-09-24
Published:2019-09-24
Updated:2021-07-21
Summary:A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-8774

Source: XF
Type: UNKNOWN
apple-ios-cve20198774-dos(190603)

Source: CCN
Type: Apple security document HT210603
About the security content of iOS 13.1 and iPadOS 13.1

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT210603

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT210634

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.1)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.1)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:13.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:13.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_mojave:10.14:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple ipad os *
    apple iphone os *
    apple mac os x *
    apple ios 13.0
    apple ipados 13.0
    apple macos catalina 10.14