CVE Vulnerability

CVE-2019-15694

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 Release Notes Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/20/2 Exploit Mailing List
https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438 Exploit Patch
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Information

Published : 2019-12-26 03:15

Updated : 2020-10-16 08:00

NVD link : CVE-2019-15694

Mitre link : CVE-2019-15694

Products Affected
No products.
CWE
CWE-787