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HistoryJan 05, 2017 - 3:53 p.m.

[SECURITY] [DSA 3753-1] libvncserver security update

2017-01-0515:53:56
lists.debian.org
15

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

10

Confidence

High

EPSS

0.012

Percentile

85.5%


Debian Security Advisory DSA-3753-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
January 05, 2017 https://www.debian.org/security/faq


Package : libvncserver
CVE ID : CVE-2016-9941 CVE-2016-9942
Debian Bug : 850007 850008

It was discovered that libvncserver, a collection of libraries used to
implement VNC/RFB clients and servers, incorrectly processed incoming
network packets. This resulted in several heap-based buffer overflows,
allowing a rogue server to either cause a DoS by crashing the client,
or potentially execute arbitrary code on the client side.

For the stable distribution (jessie), these problems have been fixed in
version 0.9.9+dfsg2-6.1+deb8u2.

For the testing (stretch) and unstable (sid) distributions, these
problems have been fixed in version 0.9.11+dfsg-1.

We recommend that you upgrade your libvncserver packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

10

Confidence

High

EPSS

0.012

Percentile

85.5%