Redis is an open source, in-memory database that persists on disk. An integer overflow bug affecting all versions of Redis can be exploited to corrupt the heap and potentially be used to leak arbitrary contents of the heap or trigger remote code execution. The vulnerability involves changing the default set-max-intset-entries configuration parameter to a very large value and constructing specially crafted commands to manipulate sets. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the set-max-intset-entries configuration parameter. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||7.5||Base Metrics:||AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H|
|Access Vector:||Network||Attack Complexity:||High|
|Privileges Required:||Low||User Interaction:||None|
|Integrity Impact:||High||Availability Impact:||High|
|Oracle Linux version 8 (redis)||ELSA-2021-3918||2021-10-19|
|Oracle Linux version 8 (redis)||ELSA-2021-3945||2021-10-20|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team