6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.6 Medium
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
0.009 Low
EPSS
Percentile
83.0%
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af
github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
lists.debian.org/debian-lts-announce/2020/06/msg00035.html
lists.debian.org/debian-lts-announce/2020/08/msg00045.html
usn.ubuntu.com/4434-1/
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.6 Medium
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
0.009 Low
EPSS
Percentile
83.0%