Vulnerability Name:

CVE-2019-8857 (CCN-172897)

Assigned:2019-12-10
Published:2019-12-10
Updated:2021-07-21
Summary:The issue was addressed with improved validation when an iCloud Link is created. This issue is fixed in iOS 13.3 and iPadOS 13.3. Live Photo audio and video data may be shared via iCloud links even if Live Photo is disabled in the Share Sheet carousel.
CVSS v3 Severity:3.3 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
2.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (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
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:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-862
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-8857

Source: XF
Type: UNKNOWN
apple-ios-cve20198857-sec-bypass(172897)

Source: CCN
Type: Apple security document HT210785
About the security content of iOS 13.3 and iPadOS 13.3

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210785

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.3)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.3)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:13.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:13.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple ios 13.2
    apple ipados 13.2