High severity · published Dec 26, 2019
CVE-2019-15692
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow
7.2
CVSS
4.8%
EPSS
No
On KEV
Description
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
15.1 · source: NVD
TI
Tigervnc · Tigervnc
before 1.10.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15692
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15692
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
Patch
https://github.com/CendioOssman/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821
Release Notes
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
Exploit
https://www.openwall.com/lists/oss-security/2019/12/20/2
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