CVE-2021-32626

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 04-10-2021 08:15

Last modified: - 13-05-2022 07:21

Total changes: - 6

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

Low

Privileges required

Unchanged

Scope

None

User interaction

8.8

Base score

2.8

5.9

Exploitability score

Impact score

Verification logic

vendor=redis AND product=redis AND versionStartIncluding=6.2.0 AND versionEndExcluding=6.2.6

vendor=redis AND product=redis AND versionStartIncluding=6.0.0 AND versionEndExcluding=6.0.16

vendor=redis AND product=redis AND versionStartIncluding=2.6 AND versionEndExcluding=5.0.14

vendor=fedoraproject AND product=fedora AND version=33

vendor=fedoraproject AND product=fedora AND version=34

vendor=fedoraproject AND product=fedora AND version=35

vendor=netapp AND product=management_services_for_element_software AND version=-

vendor=netapp AND product=management_services_for_netapp_hci AND version=-

vendor=Debian AND product=debian_linux AND version=10.0

vendor=Debian AND product=debian_linux AND version=11.0

vendor=oracle AND product=communications_operations_monitor AND version=4.3

vendor=oracle AND product=communications_operations_monitor AND version=4.4

vendor=oracle AND product=communications_operations_monitor AND version=5.0

Reference

https://github.com/redis/redis/commit/666ed7facf4524bf6d19b11b20faa2cf93fdf591
https://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782c
FEDORA-2021-8913c7900c-Mailing List, Third Party Advisory
FEDORA-2021-61c487f241-Mailing List, Third Party Advisory
[druid-commits] 20211025 [GitHub] [druid] jihoonson opened a new pull request #11844: Bump netty4 to 4.1.68; suppress CVE-2021-37136 and CVE-2021-37137 for netty3-Mailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20211104-0003/
FEDORA-2021-aa94492a09-Mailing List, Third Party Advisory
DSA-5001-Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html

Keywords

CVE-2021-32626

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-32626

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures