Vulnerability Name:

CVE-2022-27652 (CCN-224593)

Assigned:2022-04-18
Published:2022-04-18
Updated:2022-04-27
Summary:A flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/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): Low
Availibility (A): Low
4.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)
4.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-276
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2022-27652

Source: CCN
Type: Red Hat Bugzilla - Bug 2066839
(CVE-2022-27652) - CVE-2022-27652 cri-o: Default inheritable capabilities for linux container should be empty

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2066839

Source: XF
Type: UNKNOWN
crio-cve202227652-priv-esc(224593)

Source: CCN
Type: CRI-O GIT Repository
Default inheritable capabilities for linux container should be empty

Source: MISC
Type: Mitigation, Third Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-4hj2-r2pm-3hc6

Vulnerable Configuration:Configuration 1:
  • cpe:/a:kubernetes:cri-o:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/a:mobyproject:moby:*:*:*:*:*:*:*:* (Version < 20.10.14)

  • Configuration 4:
  • cpe:/a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    kubernetes cri-o -
    fedoraproject fedora 35
    mobyproject moby *
    redhat openshift container platform 3.11
    redhat openshift container platform 4.0