6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.4 High
AI Score
Confidence
Low
0.079 Low
EPSS
Percentile
94.3%
USN-2500-1 addressed CVE-2015-0255 for xorg-server. This update provides
the corresponding fix for VNC4 on Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
(CVE-2015-0255)
USN-2726-1 addressed CVE-2015-1283 for Expat. This update provides the
corresponding fix for VNC4 on Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
(CVE-2015-1283)
Original advisory details:
Olivier Fourdan discovered that the X.Org X server incorrectly handled
XkbSetGeometry requests resulting in an information leak. An attacker able
to connect to an X server, either locally or remotely, could use this issue
to possibly obtain sensitive information. (CVE-2015-0255)
It was discovered that Expat incorrectly handled malformed XML data. If a
user or application linked against Expat were tricked into opening a
crafted XML file, an attacker could cause a denial of service, or possibly
execute arbitrary code. (CVE-2015-1283)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 16.04 | noarch | xvnc4viewer | < 4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1 | UNKNOWN |
Ubuntu | 16.04 | noarch | vnc4server | < 4.1.1+xorg4.3.0-37.3ubuntu2 | UNKNOWN |
Ubuntu | 16.04 | noarch | vnc4server-dbgsym | < 4.1.1+xorg4.3.0-37.3ubuntu2 | UNKNOWN |
Ubuntu | 16.04 | noarch | xvnc4viewer | < 4.1.1+xorg4.3.0-37.3ubuntu2 | UNKNOWN |
Ubuntu | 16.04 | noarch | xvnc4viewer-dbgsym | < 4.1.1+xorg4.3.0-37.3ubuntu2 | UNKNOWN |
Ubuntu | 16.04 | noarch | vnc4server | < 4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1 | UNKNOWN |
Ubuntu | 14.04 | noarch | xvnc4viewer | < 4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1 | UNKNOWN |
Ubuntu | 14.04 | noarch | vnc4server | < 4.1.1+xorg4.3.0-37ubuntu5.0.2 | UNKNOWN |
Ubuntu | 14.04 | noarch | vnc4server-dbgsym | < 4.1.1+xorg4.3.0-37ubuntu5.0.2 | UNKNOWN |
Ubuntu | 14.04 | noarch | xvnc4viewer | < 4.1.1+xorg4.3.0-37ubuntu5.0.2 | UNKNOWN |