Vulnerability Name:

CVE-2020-6147 (CCN-191632)

Assigned:2020-11-12
Published:2020-11-12
Updated:2022-05-13
Summary:A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. This instance exists in the USDC file format FIELDS section decompression heap overflow.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-6147

Source: FULLDISC
Type: Mailing List, Third Party Advisory
20201115 APPLE-SA-2020-11-13-3 Additional information for APPLE-SA-2020-09-16-1 iOS 14.0 and iPadOS 14.0

Source: XF
Type: UNKNOWN
pixar-cve20206147-bo(191632)

Source: CCN
Type: Pixar Web site
Pixar OpenUSD

Source: CCN
Type: Talos Vulnerability Report TALOS-2020-1094
Pixar OpenUSD binary file format compressed sections code execution vulnerabilities

Source: MISC
Type: Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1094

Vulnerable Configuration:Configuration 1:
  • cpe:/a:pixar:openusd:20.05:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.0)
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.0)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    pixar openusd 20.05
    apple iphone os *
    apple ipados *
    apple macos catalina 10.15.3