var-202106-1921
Vulnerability from variot
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. nginx The resolver contains a vulnerability in determining boundary conditions.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server of Nginx Company in the United States. Affected products and versions are as follows: nginx: 0.6.18, 0.6.19 0.6.20, 0.6.21, 0.6.22 0.6.23, 0.6.24, 0.6.25, 0.6.26, 0.6.27, 0.6. A flaw was found in nginx. An off-by-one error while processing DNS responses allows a network malicious user to write a dot character out of bounds in a heap allocated buffer which can allow overwriting the least significant byte of next heap chunk metadata likely leading to a remote code execution in certain circumstances. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-23017). -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
Debian Security Advisory DSA-4921-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff May 28, 2021 https://www.debian.org/security/faq
Package : nginx CVE ID : CVE-2021-23017 Debian Bug : 989095
Luis Merino, Markus Vervier and Eric Sesterhenn discovered an off-by-one in Nginx, a high-performance web and reverse proxy server, which could result in denial of service and potentially the execution of arbitrary code.
For the stable distribution (buster), this problem has been fixed in version 1.14.2-2+deb10u4.
For the detailed security status of nginx please refer to its security tracker page at: https://security-tracker.debian.org/tracker/nginx
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----
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Security fixes:
-
nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)
-
redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)
-
redis: Integer overflow issue with Streams (CVE-2021-32627)
-
redis: Integer overflow bug in the ziplist data structure (CVE-2021-32628)
-
redis: Integer overflow issue with intsets (CVE-2021-32687)
-
redis: Integer overflow issue with strings (CVE-2021-41099)
-
redis: Out of bounds read in lua debugger protocol parser (CVE-2021-32672)
-
redis: Denial of service via Redis Standard Protocol (RESP) request (CVE-2021-32675)
-
helm: information disclosure vulnerability (CVE-2021-32690)
Bug fixes:
-
KUBE-API: Support move agent to different cluster in the same namespace (BZ# 1977358)
-
Add columns to the Agent CRD list (BZ# 1977398)
-
ClusterDeployment controller watches all Secrets from all namespaces (BZ# 1986081)
-
RHACM 2.3.3 images (BZ# 1999365)
-
Workaround for Network Manager not supporting nmconnections priority (BZ# 2001294)
-
create cluster page empty in Safary Browser (BZ# 2002280)
-
Compliance state doesn't get updated after fixing the issue causing initially the policy not being able to update the managed object (BZ# 2002667)
-
Overview page displays VMware based managed cluster as other (BZ# 2004188)
-
Bugs fixed (https://bugzilla.redhat.com/):
1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name 1977358 - [4.8.0] KUBE-API: Support move agent to different cluster in the same namespace 1977398 - [4.8.0] [master] Add columns to the Agent CRD list 1978144 - CVE-2021-32690 helm: information disclosure vulnerability 1986081 - [4.8.0] ClusterDeployment controller watches all Secrets from all namespaces 1999365 - RHACM 2.3.3 images 2001294 - [4.8.0] Workaround for Network Manager not supporting nmconnections priority 2002280 - create cluster page empty in Safary Browser 2002667 - Compliance state doesn't get updated after fixing the issue causing initially the policy not being able to update the managed object 2004188 - Overview page displays VMware based managed cluster as other 2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets 2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request 2011001 - CVE-2021-32672 redis: Out of bounds read in lua debugger protocol parser 2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure 2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams 2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack 2011020 - CVE-2021-41099 redis: Integer overflow issue with strings
- ========================================================================= Ubuntu Security Notice USN-4967-2 May 27, 2021
nginx vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
nginx could be made to crash or run programs if it received specially crafted network traffic.
Software Description: - nginx: small, powerful, scalable web/proxy server
Details:
USN-4967-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.
Original advisory details:
Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: nginx 1.10.3-0ubuntu0.16.04.5+esm1 nginx-common 1.10.3-0ubuntu0.16.04.5+esm1 nginx-core 1.10.3-0ubuntu0.16.04.5+esm1 nginx-extras 1.10.3-0ubuntu0.16.04.5+esm1 nginx-full 1.10.3-0ubuntu0.16.04.5+esm1 nginx-light 1.10.3-0ubuntu0.16.04.5+esm1
Ubuntu 14.04 ESM: nginx 1.4.6-1ubuntu3.9+esm2 nginx-common 1.4.6-1ubuntu3.9+esm2 nginx-core 1.4.6-1ubuntu3.9+esm2 nginx-extras 1.4.6-1ubuntu3.9+esm2 nginx-full 1.4.6-1ubuntu3.9+esm2 nginx-light 1.4.6-1ubuntu3.9+esm2
In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: rh-nginx116-nginx security update Advisory ID: RHSA-2021:2278-01 Product: Red Hat Software Collections Advisory URL: https://access.redhat.com/errata/RHSA-2021:2278 Issue date: 2021-06-07 CVE Names: CVE-2021-23017 ==================================================================== 1. Summary:
An update for rh-nginx116-nginx is now available for Red Hat Software Collections.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- Relevant releases/architectures:
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64
- Description:
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.
Security Fix(es):
- nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The rh-nginx116-nginx service must be restarted for this update to take effect.
- Bugs fixed (https://bugzilla.redhat.com/):
1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name
- Package List:
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-nginx116-nginx-1.16.1-6.el7.src.rpm
ppc64le: rh-nginx116-nginx-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.ppc64le.rpm
s390x: rh-nginx116-nginx-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.s390x.rpm
x86_64: rh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: rh-nginx116-nginx-1.16.1-6.el7.src.rpm
ppc64le: rh-nginx116-nginx-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.ppc64le.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.ppc64le.rpm
s390x: rh-nginx116-nginx-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.s390x.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.s390x.rpm
x86_64: rh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-nginx116-nginx-1.16.1-6.el7.src.rpm
x86_64: rh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm rh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2021-23017 https://access.redhat.com/security/updates/classification/#important
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
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-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
- Description:
Red Hat Advanced Cluster Management for Kubernetes 2.1.11 images
Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in.
This advisory contains updates to one or more container images for Red Hat Advanced Cluster Management for Kubernetes.
Container updates:
-
RHACM 2.1.11 images (BZ# 1999375)
-
Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied.
The following packages have been upgraded to a later upstream version: nginx (1.20.1)
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"data": "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. nginx The resolver contains a vulnerability in determining boundary conditions.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Nginx is a lightweight web server/reverse proxy server and email (IMAP/POP3) proxy server of Nginx Company in the United States. Affected products and versions are as follows: nginx: 0.6.18, 0.6.19 0.6.20, 0.6.21, 0.6.22 0.6.23, 0.6.24, 0.6.25, 0.6.26, 0.6.27, 0.6. A flaw was found in nginx. An off-by-one error while processing DNS responses allows a network malicious user to write a dot character out of bounds in a heap allocated buffer which can allow overwriting the least significant byte of next heap chunk metadata likely leading to a remote code execution in certain circumstances. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2021-23017). -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4921-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nMay 28, 2021 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : nginx\nCVE ID : CVE-2021-23017\nDebian Bug : 989095\n\nLuis Merino, Markus Vervier and Eric Sesterhenn discovered an off-by-one\nin Nginx, a high-performance web and reverse proxy server, which could\nresult in denial of service and potentially the execution of arbitrary\ncode. \n\nFor the stable distribution (buster), this problem has been fixed in\nversion 1.14.2-2+deb10u4. \n\nFor the detailed security status of nginx please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/nginx\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n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\nlhCPw5JMpzQ4afWlRUvQiaf0lOIySKIfv05wHPtIablmgjIGny4=\n=qxQw\n-----END PGP SIGNATURE-----\n. \n\nSecurity fixes: \n\n* nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a\npointer to a root domain name (CVE-2021-23017)\n\n* redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)\n\n* redis: Integer overflow issue with Streams (CVE-2021-32627)\n\n* redis: Integer overflow bug in the ziplist data structure\n(CVE-2021-32628)\n\n* redis: Integer overflow issue with intsets (CVE-2021-32687)\n\n* redis: Integer overflow issue with strings (CVE-2021-41099)\n\n* redis: Out of bounds read in lua debugger protocol parser\n(CVE-2021-32672)\n\n* redis: Denial of service via Redis Standard Protocol (RESP) request\n(CVE-2021-32675)\n\n* helm: information disclosure vulnerability (CVE-2021-32690)\n\nBug fixes:\n\n* KUBE-API: Support move agent to different cluster in the same namespace\n(BZ# 1977358)\n\n* Add columns to the Agent CRD list (BZ# 1977398)\n\n* ClusterDeployment controller watches all Secrets from all namespaces (BZ#\n1986081)\n\n* RHACM 2.3.3 images (BZ# 1999365)\n\n* Workaround for Network Manager not supporting nmconnections priority (BZ#\n2001294)\n\n* create cluster page empty in Safary Browser (BZ# 2002280)\n\n* Compliance state doesn\u0027t get updated after fixing the issue causing\ninitially the policy not being able to update the managed object (BZ#\n2002667)\n\n* Overview page displays VMware based managed cluster as other (BZ#\n2004188)\n\n3. Bugs fixed (https://bugzilla.redhat.com/):\n\n1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name\n1977358 - [4.8.0] KUBE-API: Support move agent to different cluster in the same namespace\n1977398 - [4.8.0] [master] Add columns to the Agent CRD list\n1978144 - CVE-2021-32690 helm: information disclosure vulnerability\n1986081 - [4.8.0] ClusterDeployment controller watches all Secrets from all namespaces\n1999365 - RHACM 2.3.3 images\n2001294 - [4.8.0] Workaround for Network Manager not supporting nmconnections priority\n2002280 - create cluster page empty in Safary Browser\n2002667 - Compliance state doesn\u0027t get updated after fixing the issue causing initially the policy not being able to update the managed object\n2004188 - Overview page displays VMware based managed cluster as other\n2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets\n2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request\n2011001 - CVE-2021-32672 redis: Out of bounds read in lua debugger protocol parser\n2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure\n2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams\n2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack\n2011020 - CVE-2021-41099 redis: Integer overflow issue with strings\n\n5. =========================================================================\nUbuntu Security Notice USN-4967-2\nMay 27, 2021\n\nnginx vulnerability\n=========================================================================\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 ESM\n- Ubuntu 14.04 ESM\n\nSummary:\n\nnginx could be made to crash or run programs if it received specially\ncrafted network traffic. \n\nSoftware Description:\n- nginx: small, powerful, scalable web/proxy server\n\nDetails:\n\nUSN-4967-1 fixed a vulnerability in nginx. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. \n\nOriginal advisory details:\n\n Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx\n incorrectly handled responses to the DNS resolver. A remote attacker could\n use this issue to cause nginx to crash, resulting in a denial of service,\n or possibly execute arbitrary code. \n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 16.04 ESM:\n nginx 1.10.3-0ubuntu0.16.04.5+esm1\n nginx-common 1.10.3-0ubuntu0.16.04.5+esm1\n nginx-core 1.10.3-0ubuntu0.16.04.5+esm1\n nginx-extras 1.10.3-0ubuntu0.16.04.5+esm1\n nginx-full 1.10.3-0ubuntu0.16.04.5+esm1\n nginx-light 1.10.3-0ubuntu0.16.04.5+esm1\n\nUbuntu 14.04 ESM:\n nginx 1.4.6-1ubuntu3.9+esm2\n nginx-common 1.4.6-1ubuntu3.9+esm2\n nginx-core 1.4.6-1ubuntu3.9+esm2\n nginx-extras 1.4.6-1ubuntu3.9+esm2\n nginx-full 1.4.6-1ubuntu3.9+esm2\n nginx-light 1.4.6-1ubuntu3.9+esm2\n\nIn general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Important: rh-nginx116-nginx security update\nAdvisory ID: RHSA-2021:2278-01\nProduct: Red Hat Software Collections\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:2278\nIssue date: 2021-06-07\nCVE Names: CVE-2021-23017\n====================================================================\n1. Summary:\n\nAn update for rh-nginx116-nginx is now available for Red Hat Software\nCollections. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64le, s390x, x86_64\nRed Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64le, s390x, x86_64\nRed Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64\n\n3. Description:\n\nnginx is a web and proxy server supporting HTTP and other protocols, with a\nfocus on high concurrency, performance, and low memory usage. \n\nSecurity Fix(es):\n\n* nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a\npointer to a root domain name (CVE-2021-23017)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe rh-nginx116-nginx service must be restarted for this update to take\neffect. \n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name\n\n6. Package List:\n\nRed Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-nginx116-nginx-1.16.1-6.el7.src.rpm\n\nppc64le:\nrh-nginx116-nginx-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.ppc64le.rpm\n\ns390x:\nrh-nginx116-nginx-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.s390x.rpm\n\nx86_64:\nrh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm\n\nRed Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):\n\nSource:\nrh-nginx116-nginx-1.16.1-6.el7.src.rpm\n\nppc64le:\nrh-nginx116-nginx-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.ppc64le.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.ppc64le.rpm\n\ns390x:\nrh-nginx116-nginx-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.s390x.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.s390x.rpm\n\nx86_64:\nrh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm\n\nRed Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-nginx116-nginx-1.16.1-6.el7.src.rpm\n\nx86_64:\nrh-nginx116-nginx-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-debuginfo-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-image-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-perl-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-http-xslt-filter-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-mail-1.16.1-6.el7.x86_64.rpm\nrh-nginx116-nginx-mod-stream-1.16.1-6.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-23017\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n\niQIVAwUBYL5eOtzjgjWX9erEAQgQEQ//T7Jz+AN/TKTzw7RA57QI4rVdLkv2hJHC\n1cW6/iFbgfYF10HldhRJKBkGpBTPzb4yzt3y4oRDa35GTLw6zXZquosSaC9RXLq+\nRKxU93XKaw1K/qAYqq3q9ZemMpL+ce3mXeaEoK8oQQtbdbYO53eqCQBRIdR0ucFE\nWFJBFrpVXKKKSb6qbvDUWJCIQLlF9YBPjt3RpgSwPXVOu/74Oe6/AutYmpjgKyt1\nBIsZ7V2SliQNIBtgmAHq+dzBIuPpPCRtS6zCML/eIs3ZIUU80jbX9guyb1euN2L/\nFlrAFUvSpp0Z72LM33qle6D0Zbe6yCxOxi5QjEIUcP735Z8hYxNWs8H+5HDGq3gl\npKLGWLUJG0N0kfoK6RHKuDzPuNmAGm5KwNYu0xO+mdMbgj+rzr4lhe5Dz3+qh7o0\nDiImaFoHvbilJvUbjUmvTvwL4DMZvk2oKUI6MDxlNp/TyDdwMraZDVhyOpc0frGU\nhHlLMr4k+gvTQnjlaf+cilYPHfTTRL7/kdPpjWLCcdZ0v68FC5MHcG/pqpRQUFKO\nxCNEMLixyH/gY8Ymm+047U2i2TITRb1X5rI+nWHBuEWexgie7cNSzfB++WJYIC07\nR2tSuGLQP/eZQpSoHZavZ3KJVMKOsH/foI1DYbFn7gyqtP8wqQAhI4klXFYGeXqa\nO23scR4nPsc\\xdc6n\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64\n\n3. Description:\n\nRed Hat Advanced Cluster Management for Kubernetes 2.1.11 images\n\nRed Hat Advanced Cluster Management for Kubernetes provides the\ncapabilities to address common challenges that administrators and site\nreliability engineers face as they work across a range of public and\nprivate cloud environments. Clusters and applications are all visible and\nmanaged from a single console\u2014with security policy built in. \n\nThis advisory contains updates to one or more container images for Red Hat\nAdvanced Cluster Management for Kubernetes. \n\nContainer updates:\n\n* RHACM 2.1.11 images (BZ# 1999375)\n\n3. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. \n\nThe following packages have been upgraded to a later upstream version:\nnginx (1.20.1)",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.