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{"bugzilla": {"description": "webkitgtk: Improper access management to CLONE_NEWUSER and the TIOCSTI ioctl", "id": "1879570", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1879570"}, "csaw": false, "cvss3": {"cvss3_base_score": "10.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-284->CWE-77", "details": ["The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3, failed to properly block access to CLONE_NEWUSER and the TIOCSTI ioctl. CLONE_NEWUSER could potentially be used to confuse xdg-desktop-portal, which allows access outside the sandbox. TIOCSTI can be used to directly execute commands outside the sandbox by writing to the controlling terminal's input buffer, similar to CVE-2017-5226.", "A flaw was found in webkitgtk in versions prior to 2.28.3 and in WPE WebKit in versions prior to 2.28.3. The bubblewrap sandbox failed to properly block access to CLONE_NEWUSER and the TIOCSTI ioctl. CLONE_NEWUSER could potentially be used to confuse xdg- desktop-portal, which allows access outside the sandbox. TIOCSTI can be used to directly execute commands outside the sandbox by writing to the controlling terminal\u2019s input buffer, similar to CVE-2017-5226. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."], "name": "CVE-2020-13753", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-07-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-13753\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-13753\nhttps://webkitgtk.org/security/WSA-2020-0006.html"], "threat_severity": "Moderate"}