CVE-2018-20021

{"id": "CVE-2018-20021", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2018-12-19T16:29:00.420", "references": [{"url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/", "tags": ["Third Party Advisory"], "source": "vulnerability@kaspersky.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "vulnerability@kaspersky.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html", "source": "vulnerability@kaspersky.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html", "source": "vulnerability@kaspersky.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html", "source": "vulnerability@kaspersky.com"}, {"url": "https://security.gentoo.org/glsa/201908-05", "source": "vulnerability@kaspersky.com"}, {"url": "https://security.gentoo.org/glsa/202006-06", "source": "vulnerability@kaspersky.com"}, {"url": "https://usn.ubuntu.com/3877-1/", "tags": ["Third Party Advisory"], "source": "vulnerability@kaspersky.com"}, {"url": "https://usn.ubuntu.com/4547-1/", "source": "vulnerability@kaspersky.com"}, {"url": "https://usn.ubuntu.com/4547-2/", "source": "vulnerability@kaspersky.com"}, {"url": "https://usn.ubuntu.com/4587-1/", "source": "vulnerability@kaspersky.com"}, {"url": "https://www.debian.org/security/2019/dsa-4383", "tags": ["Third Party Advisory"], "source": "vulnerability@kaspersky.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM"}, {"lang": "es", "value": "LibVNC antes del commit con ID c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contiene una vulnerabilidad CWE-835: bucle infinito en el c\u00f3digo del cliente VNC. Esta vulnerabilidad permite que el atacante consuma una cantidad excesiva de recursos como la CPU y la RAM."}], "lastModified": "2020-10-23T13:15:14.517", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEF1BF44-78B8-44E3-9A5A-29AB8111322B", "versionEndExcluding": "0.9.12"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "vulnerability@kaspersky.com"}