cve-2018-20021
Vulnerability from cvelistv5
Published
2018-12-19 16:00
Modified
2024-08-05 11:51
Severity ?
Summary
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
References
vulnerability@kaspersky.comhttps://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2018/12/msg00017.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
vulnerability@kaspersky.comhttps://security.gentoo.org/glsa/201908-05
vulnerability@kaspersky.comhttps://security.gentoo.org/glsa/202006-06
vulnerability@kaspersky.comhttps://usn.ubuntu.com/3877-1/Third Party Advisory
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4547-1/
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4547-2/
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4587-1/
vulnerability@kaspersky.comhttps://www.debian.org/security/2019/dsa-4383Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/12/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201908-05
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202006-06
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3877-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4547-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4547-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4587-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4383Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-20021\",\"sourceIdentifier\":\"vulnerability@kaspersky.com\",\"published\":\"2018-12-19T16:29:00.420\",\"lastModified\":\"2024-11-21T04:00:46.313\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.9.12\",\"matchCriteriaId\":\"DEF1BF44-78B8-44E3-9A5A-29AB8111322B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07C312A0-CD2C-4B9C-B064-6409B25C278F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/\",\"source\":\"vulnerability@kaspersky.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html\",\"source\":\"vulnerability@kaspersky.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"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/\",\"source\":\"vulnerability@kaspersky.com\",\"tags\":[\"Third Party Advisory\"]},{\"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\",\"source\":\"vulnerability@kaspersky.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/201908-05\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/202006-06\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3877-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/4547-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4547-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4587-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.debian.org/security/2019/dsa-4383\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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