Denial of Service in TightVNC by Null Pointer Dereference
CVE-2019-15680

7.5HIGH

Key Information:

Vendor

Kaspersky
Status
Tightvnc
Vendor
CVE Published:
29 October 2019

What is CVE-2019-15680?

TightVNC version 1.3.10 contains a vulnerability due to a null pointer dereference in the HandleZlibBPP function. This flaw can be exploited remotely, potentially resulting in a Denial of Service condition for affected systems. Users are advised to review their network configurations and security protocols to mitigate the risk of exploitation.

Affected Version(s)

TightVNC 1.3.10

References

https://www.openwall.com/lists/oss-security/2018/12/10/5
mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019/12/msg0...
mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4407-1/
vendor-advisoryx_refsource_UBUNTU

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.