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.

CVSS v3.0 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3.0 : HIGH

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

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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 Third Party Advisory
https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438	Exploit Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Information

Published : 2019-12-26 07:15

Updated : 2020-10-16 13:00

NVD link : CVE-2019-15694

Mitre link : CVE-2019-15694

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

tigervnc

tigervnc

opensuse

leap

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