Test Kennung:	1.3.6.1.4.1.25623.1.0.145471
Kategorie:	Databases
Titel:	Redis Integer Overflow Vulnerability (GHSA-hgj8-vff2-7cjf)
Zusammenfassung:	Redis is prone to an integer overflow vulnerability.
Beschreibung:	Summary: Redis is prone to an integer overflow vulnerability. Vulnerability Insight: An integer overflow bug in 32-bit Redis could be exploited to corrupt the heap and potentially result with remote code execution. Redis 4.0 or newer uses a configurable limit for the maximum supported bulk input size. By default, it is 512MB which is a safe value for all platforms. If the limit is significantly increased, receiving a large request from a client may trigger several integer overflow scenarios, which would result with buffer overflow and heap corruption. This could in certain conditions be exploited for remote code execution. By default, authenticated Redis users have access to all configuration parameters and can therefore use the 'CONFIG SET proto-max-bulk-len' to change the safe default, making the system vulnerable. This problem only affects 32-bit Redis (on a 32-bit system, or as a 32-bit executable running on a 64-bit system). Affected Software/OS: Redis version 4.0 and later. Solution: Update to version 5.0.11, 6.0.11, 6.2 or later. CVSS Score: 6.5 CVSS Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2021-21309 https://github.com/redis/redis/security/advisories/GHSA-hgj8-vff2-7cjf https://security.gentoo.org/glsa/202103-02 https://github.com/redis/redis/commit/c992857618db99776917f10bf4f2345a5fdc78b0 https://github.com/redis/redis/pull/8522
Copyright	Copyright (C) 2021 Greenbone Networks GmbH

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