CVE-2019-8259
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client 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 appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.
Overview
- CVE ID
- CVE-2019-8259
- Assigner
- vulnerability@kaspersky.com
- Vulnerability Status
- Modified
- Published Version
- 2019-03-05T15:29:00
- Last Modified Date
- 2021-06-28T13:15:11
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:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/ | 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 |
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-8259 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8259 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:09:45 | Added to TrackCVE | |||
| 2022-12-03 17:48:05 | 2019-03-05T15:29Z | 2019-03-05T15:29:00 | CVE Published Date | updated |
| 2022-12-03 17:48:05 | 2021-06-28T13:15:11 | CVE Modified Date | updated | |
| 2022-12-03 17:48:05 | Modified | Vulnerability Status | updated |