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HistoryDec 28, 2021 - 10:48 a.m.

[SECURITY] [DLA 2854-1] novnc security update

2021-12-2810:48:42
lists.debian.org
7

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

71.7%


Debian LTS Advisory DLA-2854-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
December 27, 2021 https://wiki.debian.org/LTS


Package : novnc
Version : 1:0.4+dfsg+1+20131010+gitf68af8af3d-6+deb9u1
CVE ID : CVE-2017-18635

An XSS vulnerability was discovered in noVNC, a HTML5 VNC client, in
which the remote VNC server could inject arbitrary HTML into the
noVNC web page via the messages propagated to the status field, such
as the VNC server name.

For Debian 9 stretch, this problem has been fixed in version
1:0.4+dfsg+1+20131010+gitf68af8af3d-6+deb9u1.

We recommend that you upgrade your novnc packages.

For the detailed security status of novnc please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/novnc

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

OSVersionArchitecturePackageVersionFilename
Debian9allnovnc< 1:0.4+dfsg+1+20131010+gitf68af8af3d-6+deb9u1novnc_1:0.4+dfsg+1+20131010+gitf68af8af3d-6+deb9u1_all.deb

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

71.7%