Vulnerability in Mit Kerberos 5
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
- Mit Kerberos 5
- NetApp Active Iq Unified Manager
- NetApp Cloud Backup
- NetApp Oncommand Insight
- NetApp Oncommand Workflow Automation
- NetApp Snapcenter
- Oracle Communications Cloud Native Core Policy — versions 1.14.0
- Oracle Communications Offline Mediation Controller — versions 12.0.0.3.0
- Oracle Communications Pricing Design Center — versions 12.0.0.3.0
- Oracle MySQL Server
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2020/11/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202011-17 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2020/dsa-4795 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210513-0002/ (Third Party Advisory)
- github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20201202-0001/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28196?
- CVE-2020-28196 is a high-severity vulnerability in Mit Kerberos 5, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2020-11-06.
- How severe is CVE-2020-28196?
- High severity. CVSS v3 base score is 7.5 out of 10.