CVE-2018-7225

Published: Feb 19, 2018Modified: Nov 21, 2024

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.

Affected (14)

Products: Libvncserver Project: Libvncserver · Debian: Debian Linux · Canonical: Ubuntu Linux · +1 more

Show all products

Libvncserver Project: Libvncserver · Debian: Debian Linux · Canonical: Ubuntu Linux · Redhat: Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Server Tus, Enterprise Linux Workstation

Libvncserver Project

1 product

1 product

1 product

6 products

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Server Eus

Enterprise Linux Server Tus

Enterprise Linux Workstation

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Libvncserver Project Libvncserver	Up to 0.9.11

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 7.0
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10

Configuration D

7 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux Desktop	Version 7.0
Redhat Enterprise Linux Server	Version 7.0
Redhat Enterprise Linux Server Aus	Version 7.6
Redhat Enterprise Linux Server Eus	Version 7.5
Redhat Enterprise Linux Server Eus	Version 7.6
Redhat Enterprise Linux Server Tus	Version 7.6
Redhat Enterprise Linux Workstation	Version 7.0

Related CWEs

Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

References (28)

http://www.openwall.com/lists/oss-security/2018/02/18/1

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

http://www.securityfocus.com/bid/103107

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:1055

Source: cve@mitre.org

Third Party Advisory

https://github.com/LibVNC/libvncserver/issues/218

Source: cve@mitre.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html

Source: cve@mitre.org

https://security.gentoo.org/glsa/201908-05

Source: cve@mitre.org

https://usn.ubuntu.com/3618-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/4547-1/

Source: cve@mitre.org

https://usn.ubuntu.com/4573-1/

Source: cve@mitre.org

https://usn.ubuntu.com/4587-1/

Source: cve@mitre.org

https://www.debian.org/security/2018/dsa-4221

Source: cve@mitre.org

Third Party Advisory

http://www.openwall.com/lists/oss-security/2018/02/18/1

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitMailing ListThird Party Advisory

http://www.securityfocus.com/bid/103107

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:1055

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://github.com/LibVNC/libvncserver/issues/218

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://security.gentoo.org/glsa/201908-05

Source: af854a3a-2127-422b-91ae-364da2661108

https://usn.ubuntu.com/3618-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/4547-1/

Source: af854a3a-2127-422b-91ae-364da2661108

https://usn.ubuntu.com/4573-1/

Source: af854a3a-2127-422b-91ae-364da2661108

https://usn.ubuntu.com/4587-1/

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.debian.org/security/2018/dsa-4221

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

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