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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.debian.org/security/2018/dsa-4221 ↗
- https://usn.ubuntu.com/3618-1/ ↗
- https://github.com/LibVNC/libvncserver/issues/218 ↗
- https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html ↗
- http://www.securityfocus.com/bid/103107 ↗
- http://www.openwall.com/lists/oss-security/2018/02/18/1 ↗
- https://access.redhat.com/errata/RHSA-2018:1055 ↗
- https://security.gentoo.org/glsa/201908-05 ↗
- 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://usn.ubuntu.com/4547-1/ ↗
- https://usn.ubuntu.com/4573-1/ ↗
- https://usn.ubuntu.com/4587-1/ ↗