Vulnerability Name:

CVE-2019-8517 (CCN-158671)

Assigned:2019-03-25
Published:2019-03-25
Updated:2019-12-31
Summary:An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. Processing a maliciously crafted font may result in the disclosure of process memory.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): Required
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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-8517

Source: XF
Type: UNKNOWN
apple-ios-cve20198517-info-disc(158671)

Source: CCN
Type: Apple security document HT209599
About the security content of iOS 12.2

Source: CCN
Type: Apple security document HT209601
About the security content of tvOS 12.2

Source: CCN
Type: Apple security document HT209602
About the security content of watchOS 5.2

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT209599

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT209600

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT209601

Source: MISC
Type: Vendor Advisory
https://support.apple.com/HT209602

Source: CCN
Type: ZDI-19-287
Apple macOS StreamFlatFont Out-Of-Bounds Read Information Disclosure Vulnerability

Source: CCN
Type: ZDI-19-287
Apple macOS StreamFlatFont Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.2)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.14.4)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 12.2)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 5.2)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:12.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple ios 12.1.0