Description
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.
References (4)
Core 4
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://www.openwall.com/lists/oss-security/2019/12/20/2
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
Scores
CVSS v3
7.2
EPSS
0.0601
EPSS Percentile
90.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (2)
opensuse/leap
15.1
tigervnc/tigervnc
< 1.10.1
Published
Dec 26, 2019
Tracked Since
Feb 18, 2026