CVE-2018-8778

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/", "name": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/", "name": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/", "name": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/", "name": "https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/", "name": "https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/103693", "name": "103693", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://usn.ubuntu.com/3626-1/", "name": "USN-3626-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html", "name": "[debian-lts-announce] 20180423 [SECURITY] [DLA 1359-1] ruby1.8 security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html", "name": "[debian-lts-announce] 20180423 [SECURITY] [DLA 1358-1] ruby1.9.1 security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html", "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://www.debian.org/security/2018/dsa-4259", "name": "DSA-4259", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://www.securitytracker.com/id/1042004", "name": "1042004", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3731", "name": "RHSA-2018:3731", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3730", "name": "RHSA-2018:3730", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2018:3729", "name": "RHSA-2018:3729", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html", "name": "openSUSE-SU-2019:1771", "tags": [], "refsource": "SUSE"}, {"url": "https://access.redhat.com/errata/RHSA-2019:2028", "name": "RHSA-2019:2028", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-134"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-8778", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2018-04-03T22:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.2.10", "versionStartIncluding": "2.2.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.4.4", "versionStartIncluding": "2.4.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.3.7", "versionStartIncluding": "2.3.0"}, {"cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.5.1", "versionStartIncluding": "2.5.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-03T00:03Z"}