Ubuntu.comUB:CVE-2019-15694CVE-2019-15694
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.002 Low
EPSS
Percentile
61.9%
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.
Bugs
References
github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438
github.com/TigerVNC/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438 (master)
github.com/TigerVNC/tigervnc/commit/f287032d3643a6437f7de0ed35f4c45bb735522d (v1.10.1)
github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
launchpad.net/bugs/cve/CVE-2019-15694
nvd.nist.gov/vuln/detail/CVE-2019-15694
security-tracker.debian.org/tracker/CVE-2019-15694
www.cve.org/CVERecord?id=CVE-2019-15694
www.openwall.com/lists/oss-security/2019/12/20/2
Related
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.002 Low
EPSS
Percentile
61.9%