Vulnerability Name:

CVE-2021-3623 (CCN-221074)

Assigned:2021-10-14
Published:2021-10-14
Updated:2022-11-29
Summary:
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/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): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/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): High
CVSS v2 Severity:3.6 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
5.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-3623

Source: CCN
Type: Red Hat Bugzilla – Bug 1976806
(CVE-2021-3623) - CVE-2021-3623 libtpms: out-of-bounds access when trying to resume the state of the vTPM

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
libtpms-cve20213623-dos(221074)

Source: CCN
Type: libtpms GIT Repository
tpm2: Restore original value if unmarsalled value was illegal

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Issue Tracking, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:libtpms_project:libtpms:0.7.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:51576
    P
    		Security update for libtpms (Moderate)
    2022-12-13
    oval:org.opensuse.security:def:51971
    P
    		Security update for libtpms (Moderate)
    2022-12-13
    BACK
    libtpms_project libtpms 0.7.7