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DebianDEBIAN:DSA-4221-1:052D3

HistoryJun 08, 2018 - 8:24 p.m.

[SECURITY] [DSA 4221-1] libvncserver security update

2018-06-0820:24:04

lists.debian.org

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

8.7

Confidence

High

EPSS

0.013

Percentile

85.7%

JSON

Debian Security Advisory DSA-4221-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
June 08, 2018 https://www.debian.org/security/faq

Package : libvncserver
CVE ID : CVE-2018-7225

Alexander Peslyak discovered that insufficient input sanitising of RFB
packets in LibVNCServer could result in the disclosure of memory
contents.

For the oldstable distribution (jessie), this problem has been fixed
in version 0.9.9+dfsg2-6.1+deb8u3.

For the stable distribution (stretch), this problem has been fixed in
version 0.9.11+dfsg-1+deb9u1.

We recommend that you upgrade your libvncserver packages.

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

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]

OSVersionArchitecturePackageVersionFilename
Debian9s390xitalc-master-dbgsym< 1:3.0.3+dfsg1-1+deb9u1italc-master-dbgsym_1:3.0.3+dfsg1-1+deb9u1_s390x.deb
Debian9ppc64ellibvncserver1-dbg< 0.9.11+dfsg-1+deb9u1libvncserver1-dbg_0.9.11+dfsg-1+deb9u1_ppc64el.deb
Debian9mipselitalc-client-dbgsym< 1:3.0.3+dfsg1-1+deb9u1italc-client-dbgsym_1:3.0.3+dfsg1-1+deb9u1_mipsel.deb
Debian9armellibvncclient1< 0.9.11+dfsg-1+deb9u1libvncclient1_0.9.11+dfsg-1+deb9u1_armel.deb
Debian9armelxtightvncviewer-dbgsym< 1:1.3.9-9+deb9u1xtightvncviewer-dbgsym_1:1.3.9-9+deb9u1_armel.deb
Debian9armhflibvncserver1< 0.9.11+dfsg-1+deb9u1libvncserver1_0.9.11+dfsg-1+deb9u1_armhf.deb
Debian9amd64tightvncserver-dbgsym< 1:1.3.9-9+deb9u1tightvncserver-dbgsym_1:1.3.9-9+deb9u1_amd64.deb
Debian8armellibvncserver0< 0.9.9+dfsg2-6.1+deb8u3libvncserver0_0.9.9+dfsg2-6.1+deb8u3_armel.deb
Debian8armhflibvncserver-dev< 0.9.9+dfsg2-6.1+deb8u3libvncserver-dev_0.9.9+dfsg2-6.1+deb8u3_armhf.deb
Debian8powerpclibvncclient0-dbg< 0.9.9+dfsg2-6.1+deb8u3libvncclient0-dbg_0.9.9+dfsg2-6.1+deb8u3_powerpc.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	s390x	italc-master-dbgsym	< 1:3.0.3+dfsg1-1+deb9u1	italc-master-dbgsym_1:3.0.3+dfsg1-1+deb9u1_s390x.deb
Debian	9	ppc64el	libvncserver1-dbg	< 0.9.11+dfsg-1+deb9u1	libvncserver1-dbg_0.9.11+dfsg-1+deb9u1_ppc64el.deb
Debian	9	mipsel	italc-client-dbgsym	< 1:3.0.3+dfsg1-1+deb9u1	italc-client-dbgsym_1:3.0.3+dfsg1-1+deb9u1_mipsel.deb
Debian	9	armel	libvncclient1	< 0.9.11+dfsg-1+deb9u1	libvncclient1_0.9.11+dfsg-1+deb9u1_armel.deb
Debian	9	armel	xtightvncviewer-dbgsym	< 1:1.3.9-9+deb9u1	xtightvncviewer-dbgsym_1:1.3.9-9+deb9u1_armel.deb
Debian	9	armhf	libvncserver1	< 0.9.11+dfsg-1+deb9u1	libvncserver1_0.9.11+dfsg-1+deb9u1_armhf.deb
Debian	9	amd64	tightvncserver-dbgsym	< 1:1.3.9-9+deb9u1	tightvncserver-dbgsym_1:1.3.9-9+deb9u1_amd64.deb
Debian	8	armel	libvncserver0	< 0.9.9+dfsg2-6.1+deb8u3	libvncserver0_0.9.9+dfsg2-6.1+deb8u3_armel.deb
Debian	8	armhf	libvncserver-dev	< 0.9.9+dfsg2-6.1+deb8u3	libvncserver-dev_0.9.9+dfsg2-6.1+deb8u3_armhf.deb
Debian	8	powerpc	libvncclient0-dbg	< 0.9.9+dfsg2-6.1+deb8u3	libvncclient0-dbg_0.9.9+dfsg2-6.1+deb8u3_powerpc.deb