Vulnerability Details CVE-2018-7225
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.037
EPSS Ranking 87.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- http://www.openwall.com/lists/oss-security/2018/02/18/1
- http://www.securityfocus.com/bid/103107
- https://access.redhat.com/errata/RHSA-2018:1055
- https://github.com/LibVNC/libvncserver/issues/218
- https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://security.gentoo.org/glsa/201908-05
- https://usn.ubuntu.com/3618-1/
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4573-1/
- https://usn.ubuntu.com/4587-1/
- https://www.debian.org/security/2018/dsa-4221
- http://www.openwall.com/lists/oss-security/2018/02/18/1
- http://www.securityfocus.com/bid/103107
- https://access.redhat.com/errata/RHSA-2018:1055
- https://github.com/LibVNC/libvncserver/issues/218
- https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://security.gentoo.org/glsa/201908-05
- https://usn.ubuntu.com/3618-1/
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4573-1/
- https://usn.ubuntu.com/4587-1/
- https://www.debian.org/security/2018/dsa-4221
Products affected by CVE-2018-7225
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.10
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.11
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.4
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.5
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.6
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.7
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8.1
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.8.2
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cpe:2.3:a:libvncserver_project:libvncserver:0.9.9
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:17.10
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cpe:2.3:o:debian:debian_linux:7.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
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cpe:2.3:o:redhat:enterprise_linux_server:7.0
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cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5
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cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6
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cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6
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cpe:2.3:o:redhat:enterprise_linux_workstation:7.0