1188571 – (CVE-2021-36222) VUL-0: CVE-2021-36222: krb5: sending a request containing a PA-ENCRYPTED-CHALLENGE padata element without using FAST could result in null dereference in the KDC which leads to DoS

Bug 1188571 (CVE-2021-36222) - VUL-0: CVE-2021-36222: krb5: sending a request containing a PA-ENCRYPTED-CHALLENGE padata element without using FAST could result in null dereference in the KDC which leads to DoS

Summary: VUL-0: CVE-2021-36222: krb5: sending a request containing a PA-ENCRYPTED-CHAL...

Status:	RESOLVED FIXED

Alias:	CVE-2021-36222

Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents (show other bugs)
Version:	unspecified
Hardware:	Other Other

Priority:	P3 - Medium Severity: Major
Target Milestone:	---
Assignee:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/304529/
Whiteboard:	CVSSv3.1:SUSE:CVE-2021-36222:7.5:(AV:...
Keywords:

Depends on:
Blocks:

Clone This Bug

Reported:	2021-07-21 13:50 UTC by Marcus Meissner
Modified:	2025-02-25 13:03 UTC (History)
CC List:	5 users (show)

See Also:
Found By:	Security Response Team
Services Priority:
Business Priority:
Blocker:	---
Marketing QA Status:	---
IT Deployment:	---

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Description Marcus Meissner 2021-07-21 13:50:17 UTC

In MIT krb5 releases 1.16 and later, an unauthenticated attacker can cause a null dereference in the KDC by sending a request containing a PA-ENCRYPTED-CHALLENGE padata element without using FAST.

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1983720
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-36222

Comment 1 Marcus Meissner 2021-07-21 13:51:47 UTC

seems sles 15 sp1 and later.

SUSE:SLE-15-SP1:Update krb5 affected
rest not affected

Comment 3 Swamp Workflow Management 2021-08-20 13:19:32 UTC

# maintenance_jira_update_notice
openSUSE-SU-2021:2800-1: An update that fixes one vulnerability is now available.

Category: security (important)
Bug References: 1188571
CVE References: CVE-2021-36222
JIRA References: 
Sources used:
openSUSE Leap 15.3 (src):    krb5-1.16.3-3.21.1, krb5-mini-1.16.3-3.21.1

Comment 4 Swamp Workflow Management 2021-08-20 13:32:31 UTC

# maintenance_jira_update_notice
SUSE-SU-2021:2800-1: An update that fixes one vulnerability is now available.

Category: security (important)
Bug References: 1188571
CVE References: CVE-2021-36222
JIRA References: 
Sources used:
SUSE MicroOS 5.0 (src):    krb5-1.16.3-3.21.1
SUSE Manager Server 4.0 (src):    krb5-1.16.3-3.21.1
SUSE Manager Retail Branch Server 4.0 (src):    krb5-1.16.3-3.21.1
SUSE Manager Proxy 4.0 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Server for SAP 15-SP1 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Server 15-SP1-LTSS (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Server 15-SP1-BCL (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Module for Server Applications 15-SP3 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Module for Server Applications 15-SP2 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Module for Basesystem 15-SP3 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise Module for Basesystem 15-SP2 (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src):    krb5-1.16.3-3.21.1
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src):    krb5-1.16.3-3.21.1
SUSE Enterprise Storage 6 (src):    krb5-1.16.3-3.21.1
SUSE CaaS Platform 4.0 (src):    krb5-1.16.3-3.21.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 5 Samuel Cabrero 2021-08-23 07:11:23 UTC

Reassign to security team to close it.

Comment 7 Swamp Workflow Management 2021-08-23 13:25:47 UTC

# maintenance_jira_update_notice
openSUSE-SU-2021:1182-1: An update that fixes one vulnerability is now available.

Category: security (important)
Bug References: 1188571
CVE References: CVE-2021-36222
JIRA References: 
Sources used:
openSUSE Leap 15.2 (src):    krb5-1.16.3-lp152.5.19.1, krb5-mini-1.16.3-lp152.5.19.1

Comment 9 Swamp Workflow Management 2022-02-01 20:23:22 UTC

openSUSE-SU-2022:0283-1: An update that solves 8 vulnerabilities, contains one feature and has two fixes is now available.

Category: security (important)
Bug References: 1139519,1183572,1183574,1188571,1191227,1191532,1192684,1193690,1194859,1195048
CVE References: CVE-2020-27840,CVE-2021-20277,CVE-2021-20316,CVE-2021-36222,CVE-2021-43566,CVE-2021-44141,CVE-2021-44142,CVE-2022-0336
JIRA References: SLE-23329
Sources used:
openSUSE Leap 15.3 (src):    apparmor-2.13.6-150300.3.11.2, krb5-1.19.2-150300.8.3.2, krb5-mini-1.19.2-150300.8.3.2, ldb-2.4.1-150300.3.10.1, libapparmor-2.13.6-150300.3.11.1, samba-4.15.4+git.324.8332acf1a63-150300.3.25.3, sssd-1.16.1-150300.23.17.3, talloc-2.3.3-150300.3.3.2, talloc-man-2.3.3-150300.3.3.1, tdb-1.4.4-150300.3.3.2, tevent-0.11.0-150300.3.3.2, tevent-man-0.11.0-150300.3.3.1

Comment 10 Swamp Workflow Management 2022-02-01 20:42:36 UTC

SUSE-SU-2022:0283-1: An update that solves 8 vulnerabilities, contains one feature and has two fixes is now available.

Category: security (important)
Bug References: 1139519,1183572,1183574,1188571,1191227,1191532,1192684,1193690,1194859,1195048
CVE References: CVE-2020-27840,CVE-2021-20277,CVE-2021-20316,CVE-2021-36222,CVE-2021-43566,CVE-2021-44141,CVE-2021-44142,CVE-2022-0336
JIRA References: SLE-23329
Sources used:
SUSE Linux Enterprise Module for Server Applications 15-SP3 (src):    apparmor-2.13.6-150300.3.11.2, krb5-1.19.2-150300.8.3.2
SUSE Linux Enterprise Module for Python2 15-SP3 (src):    samba-4.15.4+git.324.8332acf1a63-150300.3.25.3
SUSE Linux Enterprise Module for Basesystem 15-SP3 (src):    apparmor-2.13.6-150300.3.11.2, krb5-1.19.2-150300.8.3.2, ldb-2.4.1-150300.3.10.1, libapparmor-2.13.6-150300.3.11.1, samba-4.15.4+git.324.8332acf1a63-150300.3.25.3, sssd-1.16.1-150300.23.17.3, talloc-2.3.3-150300.3.3.2, talloc-man-2.3.3-150300.3.3.1, tdb-1.4.4-150300.3.3.2, tevent-0.11.0-150300.3.3.2, tevent-man-0.11.0-150300.3.3.1
SUSE Linux Enterprise Micro 5.1 (src):    apparmor-2.13.6-150300.3.11.2, krb5-1.19.2-150300.8.3.2, ldb-2.4.1-150300.3.10.1, libapparmor-2.13.6-150300.3.11.1, sssd-1.16.1-150300.23.17.3, talloc-2.3.3-150300.3.3.2, tdb-1.4.4-150300.3.3.2, tevent-0.11.0-150300.3.3.2
SUSE Linux Enterprise High Availability 15-SP3 (src):    samba-4.15.4+git.324.8332acf1a63-150300.3.25.3

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 13 Swamp Workflow Management 2022-10-20 16:22:27 UTC

SUSE-SU-2022:3676-1: An update that fixes 14 vulnerabilities, contains four features is now available.

Category: security (important)
Bug References: 1188571,1189520,1192383,1192763,1193492,1193686,1194873,1195726,1195727,1195728,1201535,1201539,1203596,1203597
CVE References: CVE-2021-36222,CVE-2021-3711,CVE-2021-41174,CVE-2021-41244,CVE-2021-43798,CVE-2021-43815,CVE-2022-21673,CVE-2022-21702,CVE-2022-21703,CVE-2022-21713,CVE-2022-31097,CVE-2022-31107,CVE-2022-35957,CVE-2022-36062
JIRA References: PED-2145,SLE-23422,SLE-23439,SLE-24565
Sources used:
SUSE Enterprise Storage 6 (src):    grafana-8.5.13-150100.3.12.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 16 Swamp Workflow Management 2022-12-13 11:27:11 UTC

SUSE-SU-2022:4428-1: An update that fixes 12 vulnerabilities, contains one feature is now available.

Category: security (important)
Bug References: 1188571,1189520,1192383,1192763,1193492,1193686,1199810,1201535,1201539,1203596,1203597
CVE References: CVE-2021-36222,CVE-2021-3711,CVE-2021-41174,CVE-2021-41244,CVE-2021-43798,CVE-2021-43813,CVE-2021-43815,CVE-2022-29170,CVE-2022-31097,CVE-2022-31107,CVE-2022-35957,CVE-2022-36062
JIRA References: PED-2145
Sources used:
openSUSE Leap 15.4 (src):    grafana-8.5.13-150200.3.29.5
openSUSE Leap 15.3 (src):    grafana-8.5.13-150200.3.29.5
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP4 (src):    grafana-8.5.13-150200.3.29.5

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 17 Swamp Workflow Management 2022-12-13 11:30:40 UTC

SUSE-SU-2022:4437-1: An update that solves 12 vulnerabilities, contains one feature and has two fixes is now available.

Category: security (important)
Bug References: 1188571,1189520,1192383,1192763,1193492,1193686,1199810,1201535,1201539,1202945,1203283,1203596,1203597,1203599
CVE References: CVE-2021-36222,CVE-2021-3711,CVE-2021-41174,CVE-2021-41244,CVE-2021-43798,CVE-2021-43813,CVE-2021-43815,CVE-2022-29170,CVE-2022-31097,CVE-2022-31107,CVE-2022-35957,CVE-2022-36062
JIRA References: PED-2145
Sources used:
openSUSE Leap 15.4 (src):    dracut-saltboot-0.1.1665997480.587fa10-150000.1.41.1, golang-github-boynux-squid_exporter-1.6-150000.1.9.1, golang-github-prometheus-promu-0.13.0-150000.3.9.1, prometheus-blackbox_exporter-0.19.0-150000.1.14.3, spacecmd-4.3.16-150000.3.89.1, wire-0.5.0-150000.1.9.3
openSUSE Leap 15.3 (src):    dracut-saltboot-0.1.1665997480.587fa10-150000.1.41.1, golang-github-boynux-squid_exporter-1.6-150000.1.9.1, golang-github-prometheus-promu-0.13.0-150000.3.9.1, spacecmd-4.3.16-150000.3.89.1
SUSE Manager Tools for SLE Micro 5 (src):    dracut-saltboot-0.1.1665997480.587fa10-150000.1.41.1, prometheus-blackbox_exporter-0.19.0-150000.1.14.3, uyuni-proxy-systemd-services-4.3.7-150000.1.9.3
SUSE Manager Tools 15 (src):    dracut-saltboot-0.1.1665997480.587fa10-150000.1.41.1, golang-github-boynux-squid_exporter-1.6-150000.1.9.1, grafana-8.5.13-150000.1.36.3, prometheus-blackbox_exporter-0.19.0-150000.1.14.3, spacecmd-4.3.16-150000.3.89.1, spacewalk-client-tools-4.3.13-150000.3.71.3, uyuni-proxy-systemd-services-4.3.7-150000.1.9.3
SUSE Linux Enterprise Module for SUSE Manager Proxy 4.3 (src):    golang-github-boynux-squid_exporter-1.6-150000.1.9.1, prometheus-blackbox_exporter-0.19.0-150000.1.14.3
SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2 (src):    golang-github-boynux-squid_exporter-1.6-150000.1.9.1, prometheus-blackbox_exporter-0.19.0-150000.1.14.3

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 18 Swamp Workflow Management 2022-12-13 11:46:53 UTC

SUSE-SU-2022:4439-1: An update that solves 12 vulnerabilities, contains one feature and has two fixes is now available.

Category: security (moderate)
Bug References: 1188571,1189520,1192383,1192763,1193492,1193686,1199810,1201535,1201539,1202945,1203283,1203596,1203597,1203599
CVE References: CVE-2021-36222,CVE-2021-3711,CVE-2021-41174,CVE-2021-41244,CVE-2021-43798,CVE-2021-43813,CVE-2021-43815,CVE-2022-29170,CVE-2022-31097,CVE-2022-31107,CVE-2022-35957,CVE-2022-36062
JIRA References: PED-2145
Sources used:
SUSE Manager Tools 12 (src):    golang-github-boynux-squid_exporter-1.6-1.9.1, grafana-8.5.13-1.36.2, prometheus-blackbox_exporter-0.19.0-1.14.1, spacecmd-4.3.16-38.112.1, spacewalk-client-tools-4.3.13-52.80.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 20 Maintenance Automation 2024-01-23 20:30:09 UTC

SUSE-SU-2024:0196-1: An update that solves 44 vulnerabilities, contains 14 features and has 35 security fixes can now be installed.

Category: security (moderate)
Bug References: 1172110, 1176460, 1180816, 1180942, 1181119, 1181935, 1183684, 1187725, 1188061, 1188571, 1189520, 1191454, 1192154, 1192383, 1192696, 1192763, 1193492, 1193686, 1193688, 1197507, 1198903, 1199810, 1200142, 1200480, 1200591, 1200968, 1200970, 1201003, 1201059, 1201535, 1201539, 1202614, 1202945, 1203283, 1203596, 1203597, 1203599, 1204032, 1204126, 1204302, 1204303, 1204304, 1204305, 1204501, 1205207, 1205225, 1205227, 1205599, 1205759, 1207352, 1207749, 1207750, 1207830, 1208046, 1208049, 1208060, 1208062, 1208065, 1208270, 1208293, 1208298, 1208612, 1208692, 1208719, 1208819, 1208821, 1208965, 1209113, 1209645, 1210458, 1210640, 1210907, 1211525, 1212099, 1212100, 1212279, 1212641, 1218843, 1218844
CVE References: CVE-2020-7753, CVE-2021-20178, CVE-2021-20180, CVE-2021-20191, CVE-2021-20228, CVE-2021-3447, CVE-2021-3583, CVE-2021-3620, CVE-2021-36222, CVE-2021-3711, CVE-2021-3807, CVE-2021-3918, CVE-2021-41174, CVE-2021-41244, CVE-2021-43138, CVE-2021-43798, CVE-2021-43813, CVE-2021-43815, CVE-2022-0155, CVE-2022-23552, CVE-2022-27664, CVE-2022-29170, CVE-2022-31097, CVE-2022-31107, CVE-2022-31123, CVE-2022-31130, CVE-2022-32149, CVE-2022-35957, CVE-2022-36062, CVE-2022-39201, CVE-2022-39229, CVE-2022-39306, CVE-2022-39307, CVE-2022-39324, CVE-2022-41715, CVE-2022-41723, CVE-2022-46146, CVE-2023-0507, CVE-2023-0594, CVE-2023-1387, CVE-2023-1410, CVE-2023-2183, CVE-2023-2801, CVE-2023-3128
Jira References: MSQA-718, PED-2145, PED-2617, PED-3576, PED-3694, PED-4556, PED-5405, PED-5406, SLE-23422, SLE-23439, SLE-23631, SLE-24133, SLE-24565, SLE-24791
Sources used:
SUSE Manager Client Tools Beta for SLE Micro 5 (src): golang-github-QubitProducts-exporter_exporter-0.4.0-159000.4.6.1, prometheus-blackbox_exporter-0.24.0-159000.3.6.1, uyuni-proxy-systemd-services-5.0.1-159000.3.9.1, dracut-saltboot-0.1.1681904360.84ef141-159000.3.30.1
SUSE Manager Client Tools Beta for SLE 15 (src): python-pyvmomi-6.7.3-159000.3.6.1, golang-github-QubitProducts-exporter_exporter-0.4.0-159000.4.6.1, supportutils-plugin-salt-1.2.2-159000.5.9.1, uyuni-proxy-systemd-services-5.0.1-159000.3.9.1, mgr-push-5.0.1-159000.4.21.1, golang-github-lusitaniae-apache_exporter-1.0.0-159000.4.12.1, rhnlib-5.0.1-159000.6.30.1, golang-github-prometheus-prometheus-2.45.0-159000.6.33.1, spacewalk-client-tools-5.0.1-159000.6.48.1, uyuni-common-libs-5.0.1-159000.3.33.1, dracut-saltboot-0.1.1681904360.84ef141-159000.3.30.1, golang-github-boynux-squid_exporter-1.6-159000.4.9.1, ansible-2.9.27-159000.3.9.1, prometheus-postgres_exporter-0.10.1-159000.3.6.1, grafana-9.5.8-159000.4.24.1, spacecmd-5.0.1-159000.6.42.1, python-hwdata-2.3.5-159000.5.13.1, prometheus-blackbox_exporter-0.24.0-159000.3.6.1, supportutils-plugin-susemanager-client-5.0.1-159000.6.15.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 21 Maintenance Automation 2024-01-23 20:30:42 UTC

SUSE-SU-2024:0191-1: An update that solves 45 vulnerabilities, contains 17 features and has 30 security fixes can now be installed.

Category: security (moderate)
Bug References: 1047218, 1172110, 1188571, 1189520, 1191454, 1192154, 1192383, 1192696, 1192763, 1193492, 1193686, 1193688, 1194873, 1195726, 1195727, 1195728, 1196338, 1196652, 1197507, 1198903, 1199810, 1200480, 1200591, 1200725, 1201003, 1201059, 1201535, 1201539, 1203283, 1203596, 1203597, 1203599, 1204032, 1204089, 1204126, 1204302, 1204303, 1204304, 1204305, 1204501, 1205207, 1205225, 1205227, 1205759, 1207352, 1207749, 1207750, 1207830, 1208046, 1208049, 1208051, 1208060, 1208062, 1208064, 1208065, 1208270, 1208293, 1208298, 1208612, 1208692, 1208719, 1208819, 1208821, 1208965, 1209113, 1209645, 1210458, 1210907, 1211525, 1212099, 1212100, 1212279, 1212641, 1218843, 1218844
CVE References: CVE-2020-7753, CVE-2021-36222, CVE-2021-3711, CVE-2021-3807, CVE-2021-3918, CVE-2021-39226, CVE-2021-41174, CVE-2021-41244, CVE-2021-43138, CVE-2021-43798, CVE-2021-43813, CVE-2021-43815, CVE-2022-0155, CVE-2022-21673, CVE-2022-21698, CVE-2022-21702, CVE-2022-21703, CVE-2022-21713, CVE-2022-23552, CVE-2022-27191, CVE-2022-27664, CVE-2022-29170, CVE-2022-31097, CVE-2022-31107, CVE-2022-31123, CVE-2022-31130, CVE-2022-32149, CVE-2022-35957, CVE-2022-36062, CVE-2022-39201, CVE-2022-39229, CVE-2022-39306, CVE-2022-39307, CVE-2022-39324, CVE-2022-41715, CVE-2022-41723, CVE-2022-46146, CVE-2023-0507, CVE-2023-0594, CVE-2023-1387, CVE-2023-1410, CVE-2023-2183, CVE-2023-2801, CVE-2023-3128, CVE-2023-40577
Jira References: MSQA-718, PED-2145, PED-2617, PED-3576, PED-3578, PED-3694, PED-4556, PED-5405, PED-5406, PED-7353, SLE-23422, SLE-23439, SLE-24238, SLE-24239, SLE-24565, SLE-24791, SUMA-114
Sources used:
SUSE Manager Client Tools Beta for SLE 12 (src): rhnlib-5.0.1-24.30.3, spacecmd-5.0.1-41.42.3, grafana-9.5.8-4.21.2, prometheus-postgres_exporter-0.10.1-3.6.4, golang-github-prometheus-node_exporter-1.5.0-4.15.4, golang-github-QubitProducts-exporter_exporter-0.4.0-4.6.2, system-user-grafana-1.0.0-3.7.2, kiwi-desc-saltboot-0.1.1687520761.cefb248-4.15.2, golang-github-prometheus-prometheus-2.45.0-4.33.3, supportutils-plugin-susemanager-client-5.0.1-9.15.2, uyuni-common-libs-5.0.1-3.33.3, prometheus-blackbox_exporter-0.24.0-3.6.3, golang-github-lusitaniae-apache_exporter-1.0.0-4.12.4, golang-github-prometheus-alertmanager-0.26.0-4.12.4, system-user-prometheus-1.0.0-3.7.2, python-hwdata-2.3.5-15.12.2, golang-github-boynux-squid_exporter-1.6-4.9.2, supportutils-plugin-salt-1.2.2-9.9.2, golang-github-prometheus-promu-0.14.0-4.12.2, mgr-push-5.0.1-4.21.4

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.