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nvd[email protected]NVD:CVE-2021-23017
HistoryJun 01, 2021 - 1:15 p.m.

CVE-2021-23017

2021-06-0113:15:07
CWE-193
[email protected]
web.nvd.nist.gov
7
nginx
resolver
udp
packet forging
memory overwrite
worker process crash
dns server

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS

0.389

Percentile

97.3%

JSON

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.

Affected configurations

Nvd
Node
f5nginxRange0.6.18–1.20.1
Node
openrestyopenrestyRange<1.19.3.2
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
netappontap_select_deploy_administration_utilityMatch-
Node
oracleblockchain_platformRange<21.1.2
OR
oraclecommunications_control_plane_monitorMatch3.4
OR
oraclecommunications_control_plane_monitorMatch4.2
OR
oraclecommunications_control_plane_monitorMatch4.3
OR
oraclecommunications_control_plane_monitorMatch4.4
OR
oraclecommunications_fraud_monitorRange3.4–4.4
OR
oraclecommunications_operations_monitorMatch3.4
OR
oraclecommunications_operations_monitorMatch4.2
OR
oraclecommunications_operations_monitorMatch4.3
OR
oraclecommunications_operations_monitorMatch4.4
OR
oraclecommunications_session_border_controllerMatch8.4
OR
oraclecommunications_session_border_controllerMatch9.0
OR
oracleenterprise_communications_brokerMatch3.3.0
OR
oracleenterprise_session_border_controllerMatch8.4
OR
oracleenterprise_session_border_controllerMatch9.0
OR
oracleenterprise_telephony_fraud_monitorMatch3.4
OR
oracleenterprise_telephony_fraud_monitorMatch4.2
OR
oracleenterprise_telephony_fraud_monitorMatch4.3
OR
oracleenterprise_telephony_fraud_monitorMatch4.4
OR
oraclegoldengateRange<21.4.0.0.0

References

Related

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fedora
fedora
[SECURITY] Fedora 34 Update: nginx-1.20.1-2.fc34
2021-06-11 01:15:42
[SECURITY] Fedora 33 Update: nginx-1.20.1-2.fc33
2021-06-11 01:19:56
altlinux
altlinux
Security fix for the ALT Linux 9 package nginx version 1.20.1-alt1
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openvas
openvas
Ubuntu: Security Advisory (USN-4967-1)
2021-05-27 00:00:00
openSUSE: Security Advisory for nginx (openSUSE-SU-2021:1815-1)
2021-07-13 00:00:00
openSUSE: Security Advisory for nginx (openSUSE-SU-2021:0835-1)
2021-06-04 00:00:00
ibm
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Security Bulletin: IBM API Connect V5 is impacted by a vulnerability in nginx. (CVE-2021-23017)
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Security Bulletin: nginx is vulnerable to CVE-2021-23017 used in IBM Maximo Application Suite - Edge Data Collector Component
2024-03-01 16:12:25
nessus
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openSUSE 15 Security Update : nginx (openSUSE-SU-2021:1815-1)
2021-07-16 00:00:00
nginx 0.6.x < 1.20.1 1-Byte Memory Overwrite RCE
2021-06-03 00:00:00
SUSE SLES15 Security Update : nginx (SUSE-SU-2021:1815-1)
2021-06-01 00:00:00
osv
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nginx - security update
2021-05-30 00:00:00
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2021-05-26 13:50:49
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2022-01-31 09:52:06
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Fix of CVE: CVE-2021-23017
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(RHSA-2021:2259) Important: nginx:1.18 security update
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(RHSA-2021:2278) Important: rh-nginx116-nginx security update
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Important: nginx:1.18 security update
2021-06-07 10:02:53
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ROS-2-850
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hackerone
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archlinux
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Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0394
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Oracle releases massive Critical Patch Update containing 520 security patches
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Oracle Critical Patch Update Advisory - January 2022
2022-01-18 00:00:00
Oracle Critical Patch Update Advisory - April 2023
2023-04-18 00:00:00
Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS

0.389

Percentile

97.3%

JSON
Related for NVD:CVE-2021-23017
fedora2altlinux1openvas18ibm7nessus42osv12cloudlinux2ubuntucve1gentoo1zdt2packetstorm2rocky3cvelist1redhat10broadcom2almalinux3nginx1githubexploit4veracode1amazon1redos26ubuntu2debiancve1oraclelinux3suse2cbl_mariner1mageia1debian2f52freebsd1prion1redhatcve1hackerone1cve1alpinelinux1archlinux2exploitdb1photon8thn1malwarebytes1oracle4