Heap Use-After-Free Vulnerability in LibVNC Server Code
CVE-2018-6307

8.1HIGH

Key Information:

Vendor
Libvnc Project
Status
Libvnc
Vendor
CVE Published:
19 December 2018

Summary

LibVNC contains a heap use-after-free vulnerability in its server code for the file transfer extension. This flaw could allow an attacker to execute arbitrary code from a remote location, potentially compromising the system's integrity. The vulnerability affects various implementations of LibVNC, making it essential for users to apply appropriate security updates to safeguard against possible exploitation.

Affected Version(s)

LibVNC commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b

References

https://ics-cert.kaspersky.com/advisories/klcert-advisori...
x_refsource_MISC
https://www.debian.org/security/2019/dsa-4383
vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2018/12/msg0...
mailing-listx_refsource_MLIST

EPSS Score

11% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.