Vulnerability Name:

CCN-202878

Published:2021-06-02
Updated:2021-06-02
Summary:Apple macOS Catalina is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the SMB Server. By sending a specially-crafted packet, a remote authenticated attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition.
CVSS v3 Severity:8.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)
7.4 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: XF
Type: UNKNOWN
apple-macos-smbserver-bo(202878)

Source: CCN
Type: Talos Vulnerability Report TALOS-2021-1246
Apple macOS SMB server TREE_CONNECT stack buffer overflow vulnerability

Source: CCN
Type: Apple Web site
Apple macOS Catalina

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple macos catalina 10.15.7