Vulnerability in the STRALGO LCS command
CVE-2021-29477

7.5HIGH

Key Information:

Vendor
Redis
Status
Redis
Vendor
CVE Published:
4 May 2021

Summary

Redis 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 could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. The problem is fixed in version 6.2.3 and 6.0.13. 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.

Affected Version(s)

redis >= 6.2.0, < 6.2.3 < 6.2.0, 6.2.3

redis >= 6.0.0, < 6.0.13 < 6.0.0, 6.0.13

References

https://github.com/redis/redis/security/advisories/GHSA-v...
x_refsource_CONFIRM
https://redis.io/
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.