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CVE-2017-18922

Description

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
4.777

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2020:2167-1(SUSE Linux Enterprise Server 12-SP5 ) libvncclient0-0.9.9-17.31.1.x86_64.rpmLinux
SUSE-SU-2020:2167-1(SUSE Linux Enterprise Server 12-SP5 ) libvncclient0-debuginfo-0.9.9-17.31.1.x86_64.rpmLinux
SUSE-SU-2020:2167-1(SUSE Linux Enterprise Server 12-SP5 ) LibVNCServer-debugsource-0.9.9-17.31.1.x86_64.rpmLinux
SUSE-SU-2020:2167-1(SUSE Linux Enterprise Server 12-SP5 ) libvncserver0-0.9.9-17.31.1.x86_64.rpmLinux
SUSE-SU-2020:2167-1(SUSE Linux Enterprise Server 12-SP5 ) libvncserver0-debuginfo-0.9.9-17.31.1.x86_64.rpmLinux
(RHSA-2020:3281) libvncserver security update libvncserver-0.9.9-14.el7_8.1.i686.rpmLinux
(RHSA-2020:3281) libvncserver security update libvncserver-0.9.9-14.el7_8.1.x86_64.rpmLinux
(RHSA-2020:3281) libvncserver security update libvncserver-devel-0.9.9-14.el7_8.1.i686.rpmLinux
(RHSA-2020:3281) libvncserver security update libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpmLinux
(RHSA-2020:3385) libvncserver security update libvncserver-0.9.11-15.el8_2.1.i686.rpmLinux
(RHSA-2020:3385) libvncserver security update libvncserver-0.9.11-15.el8_2.1.x86_64.rpmLinux
(RHSA-2020:3385) libvncserver security update libvncserver-debugsource-0.9.11-15.el8_2.1.i686.rpmLinux
(RHSA-2020:3385) libvncserver security update libvncserver-debugsource-0.9.11-15.el8_2.1.x86_64.rpmLinux
Libvncserver update (ELSA-2020-3385) libvncserver-0.9.11-15.el8_2.1.x86_64.rpmLinux
Libvncserver-devel update (ELSA-2020-3385) libvncserver-devel-0.9.11-15.el8_2.1.x86_64.rpmLinux
Libvncserver update (ELSA-2020-3385) libvncserver-0.9.11-15.el8_2.1.i686.rpmLinux
Libvncserver-devel update (ELSA-2020-3385) libvncserver-devel-0.9.11-15.el8_2.1.i686.rpmLinux
(CESA-2020:3385) libvncserver security update libvncserver-0.9.11-15.el8_2.1.i686.rpmLinux
(CESA-2020:3385) libvncserver security update libvncserver-0.9.11-15.el8_2.1.x86_64.rpmLinux
(CESA-2020:3281) libvncserver security update libvncserver-0.9.9-14.el7_8.1.i686.rpmLinux
(CESA-2020:3281) libvncserver security update libvncserver-0.9.9-14.el7_8.1.x86_64.rpmLinux
(CESA-2020:3281) libvncserver security update libvncserver-devel-0.9.9-14.el7_8.1.i686.rpmLinux
(CESA-2020:3281) libvncserver security update libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpmLinux
(RHSA-2020:3281)Important: security update libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpmLinux
(RHSA-2020:3281)Important: security update libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpmLinux
vnc server library (USN-4407-1) libvncclient1_0.9.11+dfsg-1ubuntu1.2_i386.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.11+dfsg-1ubuntu1.2_amd64.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.12+dfsg-9ubuntu0.1_i386.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.12+dfsg-9ubuntu0.1_amd64.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.11+dfsg-1.3ubuntu0.1_i386.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.11+dfsg-1.3ubuntu0.1_amd64.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.10+dfsg-3ubuntu0.16.04.4_i386.debLinux
vnc server library (USN-4407-1) libvncclient1_0.9.10+dfsg-3ubuntu0.16.04.4_amd64.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.11+dfsg-1ubuntu1.2_i386.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.11+dfsg-1ubuntu1.2_amd64.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.12+dfsg-9ubuntu0.1_i386.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.12+dfsg-9ubuntu0.1_amd64.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.11+dfsg-1.3ubuntu0.1_i386.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.11+dfsg-1.3ubuntu0.1_amd64.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.10+dfsg-3ubuntu0.16.04.4_i386.debLinux
vnc server library (USN-4407-1) libvncserver1_0.9.10+dfsg-3ubuntu0.16.04.4_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234