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.
- Score
- CVSS 3.0 9.8 Critical
- Status
- Modified - cve@mitre.org
- Published
- 2018-02-19
- Last modified
- 2024-08-05
- Weaknesses
- CWE-190
Affected products
- Ubuntu Linux (Canonical)
- Debian Linux (Debian)
- Libvncserver (Libvncserver Project)
- Enterprise Linux Desktop (Redhat)
- Enterprise Linux Server (Redhat)
- Enterprise Linux Server Aus (Redhat)
- Enterprise Linux Server Eus (Redhat)
- Enterprise Linux Server Tus (Redhat)
- Enterprise Linux Workstation (Redhat)
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