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CVE-2021-32625 Details

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NameCVE-2021-32625
StatusCandidate
DescriptionRedis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis version 6.0 or newer (on 32-bit systems ONLY) can be exploited using the `STRALGO LCS` command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix for CVE-2021-29477 which only addresses the problem on 64-bit systems but fails to do that for 32-bit. 64-bit systems are not affected. The problem is fixed in version 6.2.4 and 6.0.14. An additional workaround to mitigate the problem without patching the `redis-server` executable is to use ACL configuration to prevent clients from using the `STRALGO LCS` command.
ReferencesCONFIRM: https://github.com/redis/redis/security/advisories/GHSA-46cp-x4x9-6pfq
URL: https://github.com/redis/redis/security/advisories/GHSA-46cp-x4x9-6pfq
FEDORA:FEDORA-2021-0ad4bec5b1
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SN7INTZFE34MIQJO7WDDTIY5LIBGN6GI/
FEDORA:FEDORA-2021-916f861096
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BHWOF7CBVUGDK3AN6H3BN3VNTH2TDUZZ/
MISC: https://github.com/redis/redis/releases/tag/6.0.14
URL: https://github.com/redis/redis/releases/tag/6.0.14
MISC: https://github.com/redis/redis/releases/tag/6.2.4
URL: https://github.com/redis/redis/releases/tag/6.2.4
PhaseAssigned (20210512)
VotesNone (candidate not yet proposed)
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