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{"bugzilla": {"description": "sane-backends: Out-of-bounds read in esci2_check_header", "id": "1850588", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1850588"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-200", "details": ["An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-083."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by limiting network scanner discovery to a trusted subnet via the \"net\" configuration in the \"/etc/sane.d/epsonds.conf\" configuration file. Also automatic network scanner discovery can be turned off by commenting out the line \"net autodiscovery\" in the same configuration file."}, "name": "CVE-2020-12863", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "sane-backends", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "sane-backends", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "sane-backends", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "sane-backends", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-05-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-12863\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-12863\nhttps://gitlab.com/sane-project/backends/-/issues/279#issue-7-ghsl-2020-083-out-of-bounds-read-in-esci2_check_header"], "statement": "The vulnerable code is a part of \"driver for Epson ESC/I-2 scanners\" which was first introduced in sane-backends-1.0.25. (via https://gitlab.com/sane-project/backends/-/commit/d72f4663c0ad6e6f779c15c8baf5f92b675ae19a) Therefore only versions of sane-backends shipped with Red Hat Enterprise Linux 8 is affected by this flaw.", "threat_severity": "Low", "upstream_fix": "sane-backends 1.0.30"}