CVE-2018-7225
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
Overview
- CVE ID
- CVE-2018-7225
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-02-19T15:29:00
- Last Modified Date
- 2020-10-23T13:15:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* | 1 | OR | 0.9.11 | |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 1 | 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
- 3.0
- Vector String
- CVSS:3.0/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/issues/218 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2018/02/18/1 | Exploit Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/103107 | Third Party Advisory VDB Entry |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00035.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3618-1/ | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:1055 | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4221 | Third Party Advisory |
| https://security.gentoo.org/glsa/201908-05 | |
| 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 | |
| https://usn.ubuntu.com/4547-1/ | |
| https://usn.ubuntu.com/4573-1/ | |
| https://usn.ubuntu.com/4587-1/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-7225 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7225 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:22:20 | Added to TrackCVE | |||
| 2022-12-03 02:32:47 | 2018-02-19T15:29Z | 2018-02-19T15:29:00 | CVE Published Date | updated |
| 2022-12-03 02:32:47 | 2020-10-23T13:15:15 | CVE Modified Date | updated | |
| 2022-12-03 02:32:47 | Modified | Vulnerability Status | updated |