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{"bugzilla": {"description": "vim: use-after-free in ex_open() in src/ex_docmd.c", "id": "2029513", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2029513"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-416", "details": ["vim is vulnerable to Use After Free", "A heap use-after-free flaw was found in Vim's ex_open() function in src/ex_docmd.c file. This flaw allows an attacker to trick the victim into opening a specially crafted file that triggers a use-after-free error, allowing the attacker to compromise the system and execute arbitrary code."], "name": "CVE-2021-4069", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/openshift-hive-rhel7", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/openshift-hive-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-12-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-4069\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4069"], "statement": "This flaw has received a Low Severity rating because in order for the flaw to be triggered, a victim user must run an arbitrary input file (most likely provided by a malicious user) in Vim script mode using `-s {scriptin}`. Users running arbitrary Vim scripts are already open to security risks and this is NEVER recommended. Doing so with a privileged account is even more risky and not recommended.\nThis flaw does not reproduce on versions of Vim shipped with Red Hat Enterprise Linux 7 or 8. Therefore, it has been marked as notaffected.", "threat_severity": "Low", "upstream_fix": "vim 8.2.3741"}