CVE-2020-28196
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.
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - cve@mitre.org
- Published
- 2020-11-06
- Last modified
- 2026-10-14
- Weaknesses
- CWE-674
Affected products
- Fedora (Fedoraproject)
- Kerberos 5 (Mit)
- Active Iq Unified Manager (Netapp)
- Cloud Backup (Netapp)
- Oncommand Insight (Netapp)
- Oncommand Workflow Automation (Netapp)
- Snapcenter (Netapp)
- Communications Cloud Native Core Policy (Oracle)
- Communications Offline Mediation Controller (Oracle)
- Communications Pricing Design Center (Oracle)
- Mysql Server (Oracle)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
References
- https://lists.debian.org/debian-lts-announce/2020/11/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73IGOG6CZAVMVNS4GGRMOL…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPH2V3WSQTELROZK3GFCPQ…
- https://security.gentoo.org/glsa/202011-17
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45KKOZQWIIIW5C45PJVGQ3…
- https://www.debian.org/security/2020/dsa-4795
- 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/
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.a…
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.a…
- 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