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

What is CVE-2018-6307?

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.

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Deploy the Patch

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

9% 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

JSON
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