Medium severity · published Apr 18, 2022
CVE-2022-27652
A flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Cri-o · Kubernetes
All versions, or not specified · source: NVD
FE
Fedora · Fedoraproject
35 · source: NVD
MO
Moby · Mobyproject
before 20.10.14 · source: NVD
OC
Openshift Container Platform · Redhat
3.11; 4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27652
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27652
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2066839
Mitigation
https://github.com/cri-o/cri-o/security/advisories/GHSA-4hj2-r2pm-3hc6
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