Mondoo Vulnerability Intelligence

Curated by Mondoo Research, enhanced with AI

Resources

Search Vulnerabilities
Trending CVEs
Browse Ecosystems
Terminology
Blog

Open Source

cnquery
cnspec

Star us on GitHub!

Company

Mondoo Platform
About
Contact

Vulnerability Intelligence

Customers

Vulnerability IntelligenceCVE-2018-20748

CVE-2018-20748

CRITICAL9.8

LibVNC before 0

Published Jan 30, 2019

Modified 1 years ago

Details

LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.

References

WEB

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

WEB

https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae

WEB

https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7

WEB

https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a

WEB

https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c

WEB

https://github.com/LibVNC/libvncserver/issues/273

WEB

https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html

WEB

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

ADVISORY

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

ADVISORY

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

ADVISORY

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2018-20748

WEB

https://www.openwall.com/lists/oss-security/2018/12/10/8

CVSS Analysis

CVSS v3.1

9.8

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

HighI:H

Availability

HighA:H

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

Ecosystems

Timeline

PublishedJan 30, 2019

ModifiedAug 5, 2024

CVE-2018-20748 | Mondoo Vulnerability Intelligence