Kaspersky LibVNC
At a glance
- Source
- NVD
- EPSS
- EPSS 2.91 % · percentile 87 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Kaspersky
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-665 — Improper Initialization
References
- https://github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a
- https://lists.debian.org/debian-lts-announce/2019/10/msg00039.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://lists.debian.org/debian-lts-announce/2019/11/msg00032.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://usn.ubuntu.com/4407-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.html
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4573-1/
- https://usn.ubuntu.com/4587-1/
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2019-6620
- GCVE · GCVE-0-2019-15681
CERT-FR advisories
- CERTFR-2021-AVI-949 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*< 0.9.12cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0
Affected products
| Product | Versions |
|---|---|
| Kaspersky · LibVNC | affected 0.9.12 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |