Fluid Attacks Database

Description

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 12	libvncserver	>=0 <0.9.12+dfsg-3	0.9.12+dfsg-3
debian 11	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
debian 12	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
debian 12	vino	>=0 <3.22.0-6	3.22.0-6
debian 14	libvncserver	>=0 <0.9.12+dfsg-3	0.9.12+dfsg-3
alpine v3.8	libvncserver	=0.9.10-r0 \|\| =0.9.10-r1 \|\| =0.9.11-r0 \|\| =0.9.11-r1 \|\| =0.9.11-r2 \|\| >=0 <0.9.11-r3	0.9.11-r3
debian 11	libvncserver	>=0 <0.9.12+dfsg-3	0.9.12+dfsg-3
debian 13	tightvnc	>=0 <1:1.3.9-9.1	1:1.3.9-9.1
alpine v3.10	libvncserver	=0.9.10-r0 \|\| =0.9.10-r1 \|\| =0.9.11-r0 \|\| =0.9.11-r1 \|\| =0.9.11-r2 \|\| >=0 <0.9.11-r3	0.9.11-r3
alpine v3.11	libvncserver	=0.9.10-r0 \|\| =0.9.10-r1 \|\| =0.9.11-r0 \|\| =0.9.11-r1 \|\| =0.9.11-r2 \|\| =0.9.12-r0 \|\| >=0 <0.9.12-r1	0.9.12-r1

1-10 of 21

Aliases

1. CVE-2019-156812. NVD-2019-156813. OSV-DEBIAN-2019-156814. OSV-2019-156815. OSV-ALPINE-2019-156816. SECURITY-TRACKER-CVE-2019-156817. SECURITY-CVE-2019-15681

Does your application use this vulnerable software?

During the free trial, our tools assess your application, identify vulnerabilities, and provide recommendations for their remediation.