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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libvncserver | Nov 27, 2019 | Oct 29, 2019 |
| Debian | — | Upgrade vinoUpgrade libvncserverUpgrade tightvnc | Nov 1, 2019 | Oct 29, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade vino | Feb 22, 2021 | Oct 29, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade vino | Jan 20, 2021 | Oct 29, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade vino | Dec 16, 2020 | Oct 29, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade libvncserver | Aug 31, 2020 | Oct 29, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 29, 2019 |
| Suse | — | Upgrade libvncclient0Upgrade vino-langUpgrade vinoUpgrade LibVNCServerUpgrade libvncserver0Upgrade LibVNCServer-devel | Apr 9, 2020 | Oct 29, 2019 |
| Ubuntu | — | Upgrade italc-clientUpgrade vinoUpgrade libvncserver1Upgrade italc-masterUpgrade libvncclient1Upgrade libitalccore | Aug 5, 2020 | Oct 29, 2019 |
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