TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
CVSS Details
- CVSS 3.1 Base Score: 7.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tigervnc-iconsUpgrade tigervnc-server-minimalUpgrade tigervnc-debuginfoUpgrade tigervnc-licenseUpgrade tigervnc-server-appletUpgrade tigervnc-serverUpgrade tigervnc-server-moduleUpgrade tigervnc | Oct 28, 2020 | Dec 26, 2019 |
| Amazon_linux | — | Upgrade tigervnc | Dec 19, 2020 | Dec 26, 2019 |
| Centos_linux | — | Upgrade tigervnc-debuginfoUpgrade tigervnc-server-debuginfoUpgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-server-appletUpgrade tigervnc-server-minimalUpgrade tigervnc-serverUpgrade tigervnc-iconsUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-server-moduleUpgrade tigervnc-debugsource | Apr 20, 2020 | Dec 26, 2019 |
| Debian | — | Upgrade tigervnc | Jul 30, 2024 | Dec 26, 2019 |
| Gentoo Linux | — | Upgrade net-misc/tigervnc. | Jul 9, 2024 | Dec 26, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade tigervnc-licenseUpgrade tigervnc-iconsUpgrade tigervncUpgrade tigervnc-serverUpgrade tigervnc-server-minimal | Feb 22, 2021 | Dec 26, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-iconsUpgrade tigervnc-serverUpgrade tigervnc-server-minimal | Jan 20, 2021 | Dec 26, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade tigervnc-serverUpgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-iconsUpgrade tigervnc-server-minimal | Feb 3, 2021 | Dec 26, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-server-minimalUpgrade tigervnc-iconsUpgrade tigervnc-server | Aug 31, 2020 | Dec 26, 2019 |
| Oracle Solaris | — | Upgrade desktop/remote-desktop/tigervnc to version 1.10.1-11.4.21.0.1.69.0 on Solaris 11.4Upgrade x11/server/xvnc to version 1.10.1-11.4.21.0.1.69.0 on Solaris 11.4 | Jan 19, 2021 | Dec 26, 2019 |
| Oracle_linux | — | Upgrade tigervncUpgrade tigervnc-licenseUpgrade tigervnc-server-appletUpgrade tigervnc-serverUpgrade tigervnc-server-minimalUpgrade tigervnc-iconsUpgrade tigervnc-server-module | Oct 7, 2020 | Dec 20, 2019 |
| Redhat_linux | — | Upgrade tigervnc-server-moduleUpgrade tigervnc-serverUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-licenseUpgrade tigervnc-debugsourceUpgrade tigervnc-server-debuginfoUpgrade tigervncUpgrade tigervnc-iconsNo solution existsUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-server-minimalUpgrade tigervnc-server-appletUpgrade tigervnc-debuginfo | Apr 20, 2020 | Dec 26, 2019 |
| Suse | — | Upgrade tigervnc-x11vncUpgrade libXvnc-develUpgrade xorg-x11-Xvnc-novncUpgrade libXvnc1Upgrade xorg-x11-xvncUpgrade xorg-x11-Xvnc-javaUpgrade xorg-x11-Xvnc-moduleUpgrade tigervnc | Jan 22, 2020 | Dec 26, 2019 |
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