CVE-2020-16125
CVSS V2 Medium 4.6
CVSS V3 Medium 6.8
Description
gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.
Overview
- CVE ID
- CVE-2020-16125
- Assigner
- security@ubuntu.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-11-10T05:15:11
- Last Modified Date
- 2020-11-24T18:12:02
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* | 1 | OR | 3.36.2 | |
| cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* | 1 | OR | 3.38.0 | 3.38.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- PHYSICAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.8
- Base Severity
- MEDIUM
- Exploitability Score
- 0.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314 | Third Party Advisory |
| https://gitlab.gnome.org/GNOME/gdm/-/issues/642 | Exploit Vendor Advisory |
| https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-16125 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16125 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:19:00 | Added to TrackCVE | |||
| 2022-12-05 16:20:37 | 2020-11-10T05:15Z | 2020-11-10T05:15:11 | CVE Published Date | updated |
| 2022-12-05 16:20:37 | 2020-11-24T18:12:02 | CVE Modified Date | updated | |
| 2022-12-05 16:20:37 | Analyzed | Vulnerability Status | updated |