CVE-2022-42898
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- CVE-2022-42898
CVE Details
| Release Date: | 2022-12-25 | |
| Impact: | None | What is this? |
Description
PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."
See more information about CVE-2022-42898 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 8.8 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (krb5) | ELSA-2023-12104 | 2023-02-09 |
| Oracle Linux version 7 (krb5) | ELSA-2022-8640 | 2022-11-29 |
| Oracle Linux version 8 (krb5) | ELSA-2022-8638 | 2022-11-28 |
| Oracle Linux version 9 (krb5) | ELSA-2022-8637 | 2022-11-29 |
| Oracle VM version 3 (krb5) | OVMSA-2023-0008 | 2023-05-04 |
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