CVE-2019-15681
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Libvnc Project Libvncserver
PublishedOct 29, 2019
First seenOct 29, 2019
Weakness typeCWE-665CWE-665
How to fix
Update
- libvnc_project libvncserver0.9.12 or later
- siemens simatic_itc1500_firmware3.2.1.0 or later
- siemens simatic_itc1500_pro_firmware3.2.1.0 or later
- siemens simatic_itc1900_firmware3.2.1.0 or later
- siemens simatic_itc1900_pro_firmware3.2.1.0 or later
- siemens simatic_itc2200_firmware3.2.1.0 or later
- siemens simatic_itc2200_pro_firmware3.2.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libvnc_project libvncserver | v < 0.9.12 | 0.9.12 |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
| debian debian_linux | 8.0, 9.0 | — |
| siemens simatic_itc1500_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1500_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1900_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1900_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc2200_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc2200_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
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