Heap Out-of-Bounds Write Vulnerability in LibVNC by LibVNC
CVE-2018-20749

9.8CRITICAL

Key Information:

Vendor

Libvnc Project

Status
Libvncserver
Vendor
CVE Published:
30 January 2019

What is CVE-2018-20749?

LibVNC Server versions prior to 0.9.12 are susceptible to a heap out-of-bounds write vulnerability due to an incomplete fix from a prior security issue. This may allow attackers to execute arbitrary code, leading to potential unauthorized access, data breaches, or system compromise. Users are urged to update to the latest version to mitigate this risk.

References

https://lists.debian.org/debian-lts-announce/2019/01/msg0...
mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106825
vdb-entryx_refsource_BID
https://github.com/LibVNC/libvncserver/commit/15bb719c03c...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.