Vulnerability Monitor

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CVE-2021-23017

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.

Published

2021-06-01T13:15:07.853

Last Modified

2024-11-21T05:51:09.480

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.7 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-193
Type: Primary
CWE-193

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f5	nginx	< 1.20.1	Yes
Application	openresty	openresty	< 1.19.3.2	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	fedoraproject	fedora	34	Yes
Application	netapp	ontap_select_deploy_administration_utility	-	Yes
Application	oracle	blockchain_platform	< 21.1.2	Yes
Application	oracle	communications_control_plane_monitor	3.4	Yes
Application	oracle	communications_control_plane_monitor	4.2	Yes
Application	oracle	communications_control_plane_monitor	4.3	Yes
Application	oracle	communications_control_plane_monitor	4.4	Yes
Application	oracle	communications_fraud_monitor	≤ 4.4	Yes
Application	oracle	communications_operations_monitor	3.4	Yes
Application	oracle	communications_operations_monitor	4.2	Yes
Application	oracle	communications_operations_monitor	4.3	Yes
Application	oracle	communications_operations_monitor	4.4	Yes
Application	oracle	communications_session_border_controller	8.4	Yes
Application	oracle	communications_session_border_controller	9.0	Yes
Application	oracle	enterprise_communications_broker	3.3.0	Yes
Application	oracle	enterprise_session_border_controller	8.4	Yes
Application	oracle	enterprise_session_border_controller	9.0	Yes
Application	oracle	enterprise_telephony_fraud_monitor	3.4	Yes
Application	oracle	enterprise_telephony_fraud_monitor	4.2	Yes
Application	oracle	enterprise_telephony_fraud_monitor	4.3	Yes
Application	oracle	enterprise_telephony_fraud_monitor	4.4	Yes
Application	oracle	goldengate	< 21.4.0.0.0	Yes

References

http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html Mailing List, Patch, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html Third Party Advisory, VDB Entry ([email protected])
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/ Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K12331123%2C ([email protected])
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory ([email protected])
http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html Mailing List, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210708-0006/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K12331123%2C (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)