CVE-2019-15680

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.openwall.com/lists/oss-security/2018/12/10/5	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
https://usn.ubuntu.com/4407-1/
https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08

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Configurations

Configuration 1 (hide)

cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*

Information

Published : 2019-10-29 12:15

Updated : 2020-12-09 09:15

NVD link : CVE-2019-15680

Mitre link : CVE-2019-15680

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

tightvnc

tightvnc

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