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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jann Horn as the original reporter.", "bugzilla": {"description": "Mozilla: Linux file truncation via sandbox broker (MFSA 2017-18)", "id": "1479211", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1479211"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-250", "details": ["On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55."], "name": "CVE-2017-7794", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-08-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7794\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7794\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7794"], "threat_severity": "Moderate"}