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CVE-2021-32687
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6/10
- Exploit Score
- 6.8/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- Single
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 1.6/10
- Access Vector
- Network
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 5.9/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:* |
Yes
|
6.2.0 | 6.2.6 | |
cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:* |
Yes
|
6.0.0 | 6.0.16 | |
cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:* |
Yes
|
5.0.0 | 5.0.14 | |
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:netapp:management_services_for_element_software:-: |
Yes
|
- | - | |
cpe:2.3:a:netapp:management_services_for_netapp_hci:-:*:*:*: |
Yes
|
- | - | |
cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:oracle:communications_operations_monitor:5.0:*:*:* |
Yes
|
- | - |
References
- https://github.com/redis/redis/security/advisories/GHSA-m3mf-8x9w-r27q
- https://github.com/redis/redis/commit/a30d367a71b7017581cf1ca104242a3c644dec0f
- https://security.netapp.com/advisory/ntap-20211104-0003/
- https://www.debian.org/security/2021/dsa-5001
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.gentoo.org/glsa/202209-17
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org