CVE Vulnerability

CVE-2019-15695

TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, 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 Patch Third Party Advisory
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89 Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/20/2 Exploit Mailing List
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 04:15

Updated : 2020-10-16 08:00

NVD link : CVE-2019-15695

Mitre link : CVE-2019-15695

Products Affected
No products.
CWE
CWE-754

CWE-787