CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
73.2%
Medium
Canonical Ubuntu
It was discovered that Heimdal did not properly manage memory when normalizing Unicode. An attacker could possibly use this issue to cause a denial of service. Update Instructions: Run sudo pro fix USN-5766-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libhcrypto4-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libwind0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libroken18-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libgssapi3-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-kcm – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libhdb9-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libasn1-8-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libsl0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libkadm5clnt7-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-kdc – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libkdc2-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-servers – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libheimntlm0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-docs – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libheimbase1-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libkrb5-26-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libotp0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-dev – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libkafs0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libhx509-5-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-multidev – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 libkadm5srv8-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 heimdal-clients – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
CVEs contained in this USN include: CVE-2022-41916.
Severity is medium unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
2023-01-13: Initial vulnerability report published.
Vendor | Product | Version | CPE |
---|---|---|---|
cloudfoundry | bionic_stemcells | * | cpe:2.3:a:cloudfoundry:bionic_stemcells:*:*:*:*:*:*:*:* |
cloudfoundry | cflinuxfs3 | * | cpe:2.3:a:cloudfoundry:cflinuxfs3:*:*:*:*:*:*:*:* |
cloudfoundry | cf-deployment | * | cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:* |
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
73.2%