CVE-2020-28196

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2020-28196
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-06T08:15:13
  • Last Modified Date
  • 2022-05-12T14:47:13
Weakness Enumerations
CWE URL
CWE-674 http://cwe.mitre.org/data/definitions/674.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* 1 OR 1.17.2
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* 1 OR 1.18.0 1.18.3
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* 1 OR
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* 1 OR
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* 1 OR 8.0.23
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00011.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/73IGOG6CZAVMVNS4GGRMOLOZ7B6QVA7F/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPH2V3WSQTELROZK3GFCPQDOFLKIZ6H5/ Third Party Advisory
https://security.gentoo.org/glsa/202011-17 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45KKOZQWIIIW5C45PJVGQ32AXBSYNBE7/
https://www.debian.org/security/2020/dsa-4795
https://security.netapp.com/advisory/ntap-20201202-0001/
https://security.netapp.com/advisory/ntap-20210513-0002/
https://www.oracle.com/security-alerts/cpuApr2021.html
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuapr2022.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-28196
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28196
History
Created Old Value New Value Data Type Notes
2022-04-20 16:59:45 Added to TrackCVE
2022-12-05 16:13:01 2020-11-06T08:15Z 2020-11-06T08:15:13 CVE Published Date updated
2022-12-05 16:13:01 2022-05-12T14:47:13 CVE Modified Date updated
2022-12-05 16:13:01 Analyzed Vulnerability Status updated