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CVE-2021-23017 Details

Description

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html	CVE	Mailing ListPatchVendor Advisory
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html	CVE	Third Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E	CVE
https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E	CVE
https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E	CVE
https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E	CVE
https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/	CVE
https://security.netapp.com/advisory/ntap-20210708-0006/	CVE	Third Party Advisory
https://support.f5.com/csp/article/K12331123%2C	CVE
https://www.oracle.com/security-alerts/cpuapr2022.html	CVE	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	CVE	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	CVE	PatchThird Party Advisory
http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html	[email protected]	Mailing ListPatchVendor Advisory
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html	[email protected]	Third Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E	[email protected]
https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E	[email protected]
https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E	[email protected]
https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E	[email protected]
https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/	[email protected]
https://security.netapp.com/advisory/ntap-20210708-0006/	[email protected]	Third Party Advisory
https://support.f5.com/csp/article/K12331123%2C	[email protected]
https://www.oracle.com/security-alerts/cpuapr2022.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	[email protected]	PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html	[email protected]	PatchThird Party Advisory

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-193	Off-by-one Error	[email protected]
CWE-193	Off-by-one Error	[email protected]

Affected Products

Product	Versions
f5 nginx	>= 0.6.18, < 1.20.1
CPE cpe:2.3:a:f5:nginx:::::::: Remediation No remediation found in references.
openresty openresty	< 1.19.3.2
CPE cpe:2.3:a:openresty:openresty:::::::: Remediation No remediation found in references.
fedoraproject fedora	33 34
CPE cpe:2.3:o:fedoraproject:fedora:33:::::::* cpe:2.3:o:fedoraproject:fedora:34:::::::* Remediation No remediation found in references.
netapp ontap select deploy administration utility	All versions
CPE cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:::::::* Remediation No remediation found in references.
oracle blockchain platform	< 21.1.2
CPE cpe:2.3:a:oracle:blockchain_platform:::::::: Remediation No remediation found in references.
oracle communications control plane monitor	3.4 4.2 4.3 4.4
CPE cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:::::::* cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:::::::* cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:::::::* cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:::::::* Remediation No remediation found in references.
oracle communications fraud monitor	>= 3.4, <= 4.4
CPE cpe:2.3:a:oracle:communications_fraud_monitor:::::::: Remediation No remediation found in references.
oracle communications operations monitor	3.4 4.2 4.3 4.4
CPE cpe:2.3:a:oracle:communications_operations_monitor:3.4:::::::* cpe:2.3:a:oracle:communications_operations_monitor:4.2:::::::* cpe:2.3:a:oracle:communications_operations_monitor:4.3:::::::* cpe:2.3:a:oracle:communications_operations_monitor:4.4:::::::* Remediation No remediation found in references.
oracle communications session border controller	8.4 9.0
CPE cpe:2.3:a:oracle:communications_session_border_controller:8.4:::::::* cpe:2.3:a:oracle:communications_session_border_controller:9.0:::::::* Remediation No remediation found in references.
oracle enterprise communications broker	3.3.0
CPE cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:::::::* Remediation No remediation found in references.
oracle enterprise session border controller	8.4 9.0
CPE cpe:2.3:a:oracle:enterprise_session_border_controller:8.4:::::::* cpe:2.3:a:oracle:enterprise_session_border_controller:9.0:::::::* Remediation No remediation found in references.
oracle enterprise telephony fraud monitor	3.4 4.2 4.3 4.4
CPE cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:::::::* cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:::::::* cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:::::::* cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:::::::* Remediation No remediation found in references.
oracle goldengate	< 21.4.0.0.0
CPE cpe:2.3:a:oracle:goldengate:::::::: Remediation No remediation found in references.

Change History

20 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Sep 14, 2022	Modified Analysis	[email protected]
Jul 12, 2022	CVE Modified	[email protected]
May 10, 2022	Modified Analysis	[email protected]
Apr 20, 2022	CVE Modified	[email protected]
Mar 31, 2022	Modified Analysis	[email protected]
Feb 7, 2022	CVE Modified	[email protected]
Dec 8, 2021	Modified Analysis	[email protected]
Oct 20, 2021	CVE Modified	[email protected]
Oct 14, 2021	Modified Analysis	[email protected]
Jul 8, 2021	CVE Modified	[email protected]
Jun 29, 2021	Modified Analysis	[email protected]
Jun 11, 2021	CVE Modified	[email protected]
Jun 10, 2021	Initial Analysis	[email protected]
Jun 9, 2021	CVE Modified	[email protected]
Jun 8, 2021	CVE Modified	[email protected]
Jun 8, 2021	CVE Modified	[email protected]

CVE-2021-23017 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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