Vulnerability Name:

CVE-2022-35896 (CCN-236932)

Assigned:2022-09-21
Published:2022-09-21
Updated:2022-09-26
Summary:An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.
CVSS v3 Severity:6.0 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-119
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2022-35896

Source: MISC
Type: Exploit, Third Party Advisory
https://binarly.io/advisories/BRLY-2022-025/index.html

Source: XF
Type: UNKNOWN
insyde-cve202235896-info-disc(236932)

Source: MISC
Type: Vendor Advisory
https://www.insyde.com/security-pledge

Source: CCN
Type: Insyde Security Advisory 2022034
SMM memory leak vulnerability in SMM driver (SMRAM read) in InsydeH2O

Source: MISC
Type: Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022034

Vulnerable Configuration:Configuration 1:
  • cpe:/a:insyde:insydeh2o:*:*:*:*:*:*:*:* (Version >= 5.0 and <= 5.5)

    • Configuration CCN 1:
  • cpe:/a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*
  • OR cpe:/a:insyde:insydeh2o:5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    insyde insydeh2o *
    insyde insydeh2o 5.5
    insyde insydeh2o 5.0