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{"bugzilla": {"description": "redis: Heap corruption via `STRALGO LCS` command (Incomplete fix for CVE-2021-29477)", "id": "1980790", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1980790"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190->(CWE-125|CWE-787)", "details": ["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. This is a result of an incomplete fix by CVE-2021-29477. The problem is fixed in version 6.2.4 and 6.0.14. 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. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB).", "A flaw was found in Redis. An integer overflow could be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "mitigation": {"lang": "en:us", "value": "The flaw can be mitigated by disallowing usage of the STRALGO LCS command via ACL configuration. Please see https://redis.io/topics/acl for more information on how to do this. On 64 bit systems which have the fixes of CVE-2021-29477 (6.2.3 or 6.0.13), it is sufficient to make sure that the proto-max-bulk-len config parameter is smaller than 2GB (default is 512MB)."}, "name": "CVE-2021-32625", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "redisgraph-tls", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform", "fix_state": "Not affected", "package_name": "redis", "product_name": "Red Hat Ansible Automation Platform 1.2"}, {"cpe": "cpe:/a:redhat:ansible_tower:3", "fix_state": "Not affected", "package_name": "redis", "product_name": "Red Hat Ansible Tower 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "redis:5/redis", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "redis:6/redis", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "redis", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "impact": "moderate", "package_name": "redis", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "impact": "moderate", "package_name": "redis", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2021-06-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-32625\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-32625\nhttps://github.com/redis/redis/security/advisories/GHSA-46cp-x4x9-6pfq"], "statement": "This issue only affects 32-bit Redis version 6.0 or newer. The Redis module streams shipped with Red Hat Enterprise Linux 8 are not affected by this flaw:\n* `redis:5` does not include a vulnerable version of Redis.\n* `redis:6` does not provide support for 32-bit Redis.", "threat_severity": "Important", "upstream_fix": "redis 6.2.4, redis 6.0.14"}