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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2021-23017
HistoryJun 01, 2021 - 1:15 p.m.

CVE-2021-23017

2021-06-0113:15:07
Alpine Linux Development Team
security.alpinelinux.org
65
nginx
resolver
memory overwrite
udp packets
dns server
worker process crash
impact
security issue

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

AI Score

6.7

Confidence

Low

EPSS

0.316

Percentile

97.1%

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.

Related

fedora 2
nessus 42
altlinux 1
ibm 7
osv 13
openvas 18
gentoo 1
cloudlinux 2
redos 32
ubuntucve 1
rocky 3
zdt 2
packetstorm 2
ubuntu 2
debian 2
redhat 10
almalinux 3
archlinux 2
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cvelist 1
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f5 2
redhatcve 1
cve 1
photon 8
thn 1
malwarebytes 1
oracle 4
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
nessus
nessus
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
Oracle Linux 8 : nginx:1.16 (ELSA-2021-2290)
2021-06-10 00:00:00
altlinux
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Security fix for the ALT Linux 9 package nginx version 1.20.1-alt1
2021-06-23 00:00:00
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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
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2022-01-31 09:52:06
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Fedora: Security Advisory for nginx (FEDORA-2021-393d698493)
2021-06-17 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:1814-1)
2021-06-09 00:00:00
openSUSE: Security Advisory for nginx (openSUSE-SU-2021:0835-1)
2021-06-04 00:00:00
gentoo
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nginx: Remote code execution
2021-05-26 00:00:00
cloudlinux
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Fix of CVE: CVE-2021-23017
2021-09-21 22:02:21
Fix of CVE: CVE-2021-23017
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redos
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ROS-2-1303
2021-09-08 00:00:00
ROS-2-1005
2021-09-08 00:00:00
ROS-2-1251
2021-12-24 00:00:00
ubuntucve
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CVE-2021-23017
2021-05-25 00:00:00
rocky
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nginx:1.18 security update
2021-06-07 10:02:53
nginx:1.16 security update
2021-06-08 09:47:28
nginx:1.20 security update
2022-01-31 09:52:06
zdt
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2021-05-27 00:00:00
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packetstorm
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(RHSA-2021:2258) Important: rh-nginx118-nginx security update
2021-06-07 06:41:51
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almalinux
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Important: nginx:1.16 security update
2021-06-08 09:47:28
Important: nginx:1.18 security update
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Important: nginx:1.20 security update
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archlinux
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[ASA-202106-36] nginx: arbitrary code execution
2021-06-15 00:00:00
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oraclelinux
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nginx:1.18 security update
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broadcom
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CVE-2021-23017: NGINX Resolver Vulnerability
2022-11-08 00:00:00
CVE-2021-23017: NGINX Resolver Vulnerability
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cvelist
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CVE-2021-23017
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nginx
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2021-06-01 13:15:07
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Important: nginx
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debiancve
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nvd
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CVE-2021-23017
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2022-07-11 00:00:00
suse
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2021-06-04 00:00:00
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hackerone
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Internet Bug Bounty: 1-byte heap buffer overflow in DNS resolver
2021-05-27 10:32:41
prion
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Memory corruption
2021-06-01 13:15:00
cbl_mariner
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CVE-2021-23017 affecting package nginx 1.16.1-4
2021-06-14 15:32:58
mageia
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Updated nginx package fixes a security vulnerability
2021-06-29 20:31:40
freebsd
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NGINX -- 1-byte memory overwrite in resolver
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f5
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K12331123 : NGINX Plus and Open Source vulnerability CVE-2021-23017
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2021-05-25 00:00:00
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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
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Oracle Critical Patch Update Advisory - January 2022
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2023-04-18 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

AI Score

6.7

Confidence

Low

EPSS

0.316

Percentile

97.1%

JSON
Related for ALPINE:CVE-2021-23017
fedora2nessus42altlinux1ibm7osv13openvas18gentoo1cloudlinux2redos32ubuntucve1rocky3zdt2packetstorm2ubuntu2debian2redhat10almalinux3archlinux2oraclelinux3broadcom2cvelist1nginx1veracode1githubexploit4amazon1debiancve1nvd1exploitdb1suse2hackerone1prion1cbl_mariner1mageia1freebsd1f52redhatcve1cve1photon8thn1malwarebytes1oracle4