Vulnerability Details : 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.
Products affected by CVE-2020-28196
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-28196
0.56%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28196
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-28196
-
The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-28196
-
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPH2V3WSQTELROZK3GFCPQDOFLKIZ6H5/
[SECURITY] Fedora 32 Update: krb5-1.18.2-29.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45KKOZQWIIIW5C45PJVGQ32AXBSYNBE7/
[SECURITY] Fedora 31 Update: krb5-1.17-47.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpuapr2022.html
Oracle Critical Patch Update Advisory - April 2022Patch;Third Party Advisory
-
https://www.oracle.com//security-alerts/cpujul2021.html
Oracle Critical Patch Update Advisory - July 2021Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202011-17
MIT Kerberos 5: Denial of service (GLSA 202011-17) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/11/msg00011.html
[SECURITY] [DLA 2437-1] krb5 security updateMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20201202-0001/
CVE-2020-28196 MIT Kerberos 5 Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/73IGOG6CZAVMVNS4GGRMOLOZ7B6QVA7F/
[SECURITY] Fedora 33 Update: krb5-1.18.2-29.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpuApr2021.html
Oracle Critical Patch Update Advisory - April 2021Patch;Third Party Advisory
-
https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd
Add recursion limit for ASN.1 indefinite lengths · krb5/krb5@57415dd · GitHubPatch;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4795
Debian -- Security Information -- DSA-4795-1 krb5Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20210513-0002/
April 2021 MySQL Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
[GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 - Pony MailMailing List;Third Party Advisory
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