CVE-2019-8268
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207.
Overview
- CVE ID
- CVE-2019-8268
- Assigner
- vulnerability@kaspersky.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-03-08T23:29:00
- Last Modified Date
- 2020-10-19T17:56:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* | 1 | OR | 1.2.2.3 | |
| cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:* | 1 | OR | 4.8 | |
| cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:* | 1 | OR | 14.00 | |
| cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:* | 1 | OR | 12.01 |
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://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-015-ultravnc-off-by-one-error/ | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | Third Party Advisory |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-8268 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8268 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:23:14 | Added to TrackCVE | |||
| 2022-12-03 18:04:16 | 2019-03-08T23:29Z | 2019-03-08T23:29:00 | CVE Published Date | updated |
| 2022-12-03 18:04:16 | 2020-10-19T17:56:30 | CVE Modified Date | updated | |
| 2022-12-03 18:04:16 | Analyzed | Vulnerability Status | updated |