CVE-2016-2853
CVSS V2 Medium 4.4
CVSS V3 High 7.8
Description
The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.
Overview
- CVE ID
- CVE-2016-2853
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2016-05-02T10:59:33
- Last Modified Date
- 2022-04-18T17:59:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0 | 3.19.8 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.0.0 | 4.20.15 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.4
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ | Exploit Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2016/02/24/9 | Exploit Mailing List Third Party Advisory |
| https://sourceforge.net/p/aufs/mailman/message/34864744/ | Third Party Advisory |
| http://www.securityfocus.com/bid/96839 | Broken Link |
| http://www.openwall.com/lists/oss-security/2021/10/18/1 | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2016-2853 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2853 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:41:45 | Added to TrackCVE | |||
| 2022-12-02 09:17:07 | 2016-05-02T10:59Z | 2016-05-02T10:59:33 | CVE Published Date | updated |
| 2022-12-02 09:17:07 | 2022-04-18T17:59:26 | CVE Modified Date | updated | |
| 2022-12-02 09:17:07 | Analyzed | Vulnerability Status | updated |