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CVE-2022-24735

Status Candidate

Overview

Redis is an in-memory database that persists on disk. By exploiting weaknesses in the Lua script execution environment, an attacker with access to Redis prior to version 7.0.0 or 6.2.7 can inject Lua code that will execute with the (potentially higher) privileges of another Redis user. The Lua script execution environment in Redis provides some measures that prevent a script from creating side effects that persist and can affect the execution of the same, or different script, at a later time. Several weaknesses of these measures have been publicly known for a long time, but they had no security impact as the Redis security model did not endorse the concept of users or privileges. With the introduction of ACLs in Redis 6.0, these weaknesses can be exploited by a less privileged users to inject Lua code that will execute at a later time, when a privileged user executes a Lua script. The problem is fixed in Redis versions 7.0.0 and 6.2.7. An additional workaround to mitigate this problem without patching the redis-server executable, if Lua scripting is not being used, is to block access to `SCRIPT LOAD` and `EVAL` commands using ACL rules.

Related Files

Red Hat Security Advisory 2022-8096-01
Posted Nov 15, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-8096-01 - 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 a script execution vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-24735, CVE-2022-24736
SHA-256 | 8d065c1e2b7af0248bb0742b2de9c0d2455eb4fc0cc6b737147cb451bd13bd5d
Red Hat Security Advisory 2022-7541-01
Posted Nov 8, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7541-01 - 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 a script execution vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-24735, CVE-2022-24736
SHA-256 | bf02e501146eeb574f3ed44fe7830dff6e46ea9a95185c00fcba74781f37f498
Gentoo Linux Security Advisory 202209-17
Posted Sep 30, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202209-17 - Multiple vulnerabilities have been found in Redis, the worst of which could result in arbitrary code execution. Versions less than 7.0.5 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-32626, CVE-2021-32627, CVE-2021-32628, CVE-2021-32672, CVE-2021-32675, CVE-2021-32687, CVE-2021-32761, CVE-2021-32762, CVE-2021-41099, CVE-2022-24735, CVE-2022-24736, CVE-2022-31144, CVE-2022-33105, CVE-2022-35951
SHA-256 | d9b1e22f9279ea317e0d95ba79680177c3910a25c6779c4d6a4247ff3fd8ac42
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