UbuntuUSN-5800-1Heimdal vulnerabilities
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.5%
Releases
- Ubuntu 20.04 LTS
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- heimdal - Heimdal Kerberos Network Authentication Protocol
Details
It was discovered that Heimdal incorrectly handled certain SPNEGO tokens. A
remote attacker could possibly use this issue to cause a denial of service.
(CVE-2021-44758)
Evgeny Legerov discovered that Heimdal incorrectly handled memory when
performing certain DES decryption operations. A remote attacker could use
this issue to cause a denial of service, or possibly execute arbitrary
code. (CVE-2022-3437)
Greg Hudson discovered that Kerberos PAC implementation used in Heimdal
incorrectly handled certain parsing operations. A remote attacker could use
this issue to cause a denial of service, or possibly execute arbitrary
code. (CVE-2022-42898)
It was discovered that Heimdal’s KDC did not properly handle certain error
conditions. A remote attacker could use this issue to cause a denial of
service, or possibly execute arbitrary code. (CVE-2022-44640)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 20.04 | noarch | libgssapi3-heimdal | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-clients | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-clients-dbgsym | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-dev | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-docs | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-kcm | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-kcm-dbgsym | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-kdc | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-kdc-dbgsym | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
| Ubuntu | 20.04 | noarch | heimdal-multidev | < 7.7.0+dfsg-1ubuntu1.3 | UNKNOWN |
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.9 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.5%