Description
Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the ziplist data structure used by all versions of Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves modifying the default ziplist configuration parameters (hash-max-ziplist-entries, hash-max-ziplist-value, zset-max-ziplist-entries or zset-max-ziplist-value) to a very large value, and then constructing specially crafted commands to create very large ziplists. The problem is fixed in Redis versions 6.2.6, 6.0.16, 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the above configuration parameters. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-5001-1 | redis security update |
EUVD |
EUVD-2021-19459 | Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the ziplist data structure used by all versions of Redis can be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves modifying the default ziplist configuration parameters (hash-max-ziplist-entries, hash-max-ziplist-value, zset-max-ziplist-entries or zset-max-ziplist-value) to a very large value, and then constructing specially crafted commands to create very large ziplists. The problem is fixed in Redis versions 6.2.6, 6.0.16, 5.0.14. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from modifying the above configuration parameters. This can be done using ACL to restrict unprivileged users from using the CONFIG SET command. |
Ubuntu USN |
USN-5221-1 | Redis vulnerabilities |
References
History
Sun, 08 Sep 2024 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:acm:2.2::el7 cpe:/a:redhat:acm:2.4::el8 |
Mon, 19 Aug 2024 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:acm:2.4::el8 |
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2024-08-03T23:25:30.918Z
Reserved: 2021-05-12T00:00:00.000Z
Link: CVE-2021-32628
No data.
Status : Modified
Published: 2021-10-04T18:15:08.577
Modified: 2024-11-21T06:07:24.730
Link: CVE-2021-32628
OpenCVE Enrichment
No data.
Debian DSA
EUVD
Ubuntu USN