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Vulnerability IntelligenceCVE-2018-20021

CVE-2018-20021

HIGH7.5

LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code

Published Dec 19, 2018

Modified 1 years ago

Details

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

WEB

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/

WEB

https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html

WEB

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

WEB

https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html

WEB

https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html

ADVISORY

https://security.gentoo.org/glsa/201908-05

ADVISORY

https://security.gentoo.org/glsa/202006-06

ADVISORY

https://usn.ubuntu.com/3877-1/

ADVISORY

https://usn.ubuntu.com/4547-1/

ADVISORY

https://usn.ubuntu.com/4547-2/

ADVISORY

https://usn.ubuntu.com/4587-1/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2018-20021

ADVISORY

https://www.debian.org/security/2019/dsa-4383

CVSS Analysis

CVSS v3.0

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedDec 19, 2018

ModifiedAug 5, 2024

CVE-2018-20021 | Mondoo Vulnerability Intelligence