CVE-2019-20788
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.
Overview
- CVE ID
- CVE-2019-20788
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-04-23T19:15:12
- Last Modified Date
- 2022-03-10T14:54:00
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:* | 1 | OR | 0.9.12 | |
| AND | ||||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0.0 | 3.2.1.0 |
| cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed | Patch Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4407-1/ | Third Party Advisory |
| https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient | Exploit Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-20788 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20788 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:46:32 | Added to TrackCVE | |||
| 2022-12-04 15:34:18 | 2020-04-23T19:15Z | 2020-04-23T19:15:12 | CVE Published Date | updated |
| 2022-12-04 15:34:18 | 2022-03-10T14:54:00 | CVE Modified Date | updated | |
| 2022-12-04 15:34:19 | Analyzed | Vulnerability Status | updated |