Executive Summary

Informations
Name CVE-2021-32626 First vendor Publication 2021-10-04
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Redis is an open source, in-memory database that persists on disk. In affected versions specially crafted Lua scripts executing in Redis can cause the heap-based Lua stack to be overflowed, due to incomplete checks for this condition. This can result with heap corruption and potentially remote code execution. This problem exists in all versions of Redis with Lua scripting support, starting from 2.6. The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14. For users unable to update an additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32626

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 3
Application 3
Os 2
Os 3

Sources (Detail)

https://github.com/redis/redis/commit/666ed7facf4524bf6d19b11b20faa2cf93fdf591
https://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782c
https://lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c604...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://security.gentoo.org/glsa/202209-17
https://security.netapp.com/advisory/ntap-20211104-0003/
https://www.debian.org/security/2021/dsa-5001
https://www.oracle.com/security-alerts/cpuapr2022.html
Source Url

Alert History

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Date Informations
2024-11-28 13:56:54
  • Multiple Updates
2023-11-07 21:33:49
  • Multiple Updates
2023-10-31 02:23:08
  • Multiple Updates
2022-10-06 21:27:36
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2022-09-29 21:27:36
  • Multiple Updates
2022-05-13 21:27:32
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2022-04-20 09:23:13
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2022-03-10 01:55:39
  • Multiple Updates
2021-11-29 05:23:06
  • Multiple Updates
2021-11-18 05:23:09
  • Multiple Updates
2021-11-10 09:23:27
  • Multiple Updates
2021-11-06 13:23:06
  • Multiple Updates
2021-11-05 21:23:08
  • Multiple Updates
2021-11-04 12:48:50
  • Multiple Updates
2021-10-30 09:23:11
  • Multiple Updates
2021-10-26 09:23:07
  • Multiple Updates
2021-10-14 01:46:41
  • Multiple Updates
2021-10-14 01:45:43
  • Multiple Updates
2021-10-13 21:23:15
  • Multiple Updates
2021-10-13 09:23:04
  • Multiple Updates
2021-10-05 00:22:51
  • First insertion