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CVE-2018-21247 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2018-21247

CVE-2018-21247

HIGH7.5

An issue was discovered in LibVNCServer before 0

Published Jun 17, 2020

Modified 1 years ago

Details

An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.

References

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html

WEB

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

WEB

https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13

WEB

https://github.com/LibVNC/libvncserver/issues/253

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/

ADVISORY

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2018-21247

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Ecosystems

Timeline

PublishedJun 17, 2020

ModifiedAug 5, 2024