Vulnerability Name:

CVE-2022-36448 (CCN-237480)

Assigned:2022-09-21
Published:2022-09-21
Updated:2022-09-30
Summary:An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.
CVSS v3 Severity:8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2022-36448

Source: MISC
Type: Exploit, Third Party Advisory
https://binarly.io/advisories/BRLY-2022-023/index.html

Source: XF
Type: UNKNOWN
insyde-cve202236448-priv-esc(237480)

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

Source: CCN
Type: INSYDE-SA-2022032
SMM memory corruption vulnerability in Software SMI handler in InsydeH2O

Source: MISC
Type: Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022032

Vulnerable Configuration:Configuration 1:
  • cpe:/a:insyde:insydeh2o:*:*:*:*:*:*:*:* (Version >= 5.4 and < 05.44.30)

  • Configuration 2:
  • cpe:/a:insyde:insydeh2o:*:*:*:*:*:*:*:* (Version >= 5.5 and < 05.52.30)

  • 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 *
    insyde insydeh2o 5.5
    insyde insydeh2o 5.0