CVE-2020-28196
- State
- Published
- Severity
- 7.5 High
- Published
- Nov 6, 2020
- Updated
- Oct 14, 2026
- Reserved
- Nov 3, 2020
Description
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-674 Uncontrolled Recursion
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- [debian-lts-announce] 20201107 [SECURITY] [DLA 2437-1] krb5 security updatemailing-list
- FEDORA-2020-32193cbbe6vendor-advisory
- FEDORA-2020-27b577ab23vendor-advisory
- GLSA-202011-17vendor-advisory
- FEDORA-2020-0df38b2843vendor-advisory
- DSA-4795vendor-advisory
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20210513-0002/
- https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd
- https://security.netapp.com/advisory/ntap-20201202-0001/
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8mailing-list
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8mailing-list
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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