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CVE-2021-41099

Status Candidate

Overview

Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the underlying string library can be used to corrupt the heap and potentially result with denial of service or remote code execution. The vulnerability involves changing the default proto-max-bulk-len configuration parameter to a very large value and constructing specially crafted network payloads or commands. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the proto-max-bulk-len configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.

Related Files

Red Hat Security Advisory 2021-3980-01
Posted Oct 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3980-01 - Redis is an advanced key-value store. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | f46b4bd38bc950800fe2e2e1f0f0a7a04f309a20c3432c8d5887bc9a9e50fa61
Red Hat Security Advisory 2021-3971-01
Posted Oct 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3971-01 - Redis is an advanced key-value store. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | 7d1fca718e17b19e847fadb31c80fad587517558a9b6679417015ad35a1d1085
Red Hat Security Advisory 2021-3949-01
Posted Oct 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3949-01 - Red Hat Advanced Cluster Management for Kubernetes 2.1.12 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. Issues addressed include denial of service, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2016-4658, CVE-2021-22543, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23840, CVE-2021-23841, CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-36222, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576, CVE-2021-37750, CVE-2021-41099
SHA-256 | da3bb0a2f0aedf1b55d5f8cbbece5dc6749623ae797a40f9e1cf9bf6796ee1a4
Red Hat Security Advisory 2021-3945-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3945-01 - Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | 20ae0bf3545d8187a20cb7a24338d4538a6dc6710cb876a68a93083afbbd7826
Red Hat Security Advisory 2021-3946-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3946-01 - Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | afbd7444f6627719d0d8f8c6ac290169b2c7b9a298352d274428813288170dd8
Red Hat Security Advisory 2021-3944-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3944-01 - Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | 5b185efbc108ea576d390a81c76cc160d817301a7823ded7a47c83c8245cd884
Red Hat Security Advisory 2021-3947-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3947-01 - Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | f2600e5891bd6d2edafd0470db4d64b2eb89b71186738ec87191865e0ed18be3
Red Hat Security Advisory 2021-3925-01
Posted Oct 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3925-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.3 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 the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and provide security updates. Issues addressed include denial of service, information leakage, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2016-4658, CVE-2020-25648, CVE-2021-21670, CVE-2021-21671, CVE-2021-22543, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23017, CVE-2021-23840, CVE-2021-23841, CVE-2021-25741, CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-32690, CVE-2021-36222, CVE-2021-3653, CVE-2021-3656, CVE-2021-37576, CVE-2021-37750, CVE-2021-41099
SHA-256 | fd1035fefbb8b3d06fa3e4a659771a25d330eb9fd90f1ff55f4f16a1d0ab3d2c
Red Hat Security Advisory 2021-3918-01
Posted Oct 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3918-01 - Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, lists, sets, and sorted sets. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log. Issues addressed include denial of service and integer overflow vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32675, CVE-2021-32687, CVE-2021-41099
SHA-256 | 795eefed29a37b2c1a8ca2c5de47b3c6b7b2e4349c35cfc3787aeb7713c38f08
Red Hat Security Advisory 2021-3873-01
Posted Oct 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3873-01 - Red Hat Advanced Cluster Management for Kubernetes 2.2.9 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 the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide bug fixes and security fixes. Issues addressed include bypass, denial of service, integer overflow, and out of bounds read vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-23017, CVE-2021-23434, CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-36222, CVE-2021-3653, CVE-2021-37750, CVE-2021-41099
SHA-256 | b4c1512c3c02a0773b56b0befe34c43efa0dbab79ff54109600f1815b01d985e
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