CVE-2020-15704
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504.
Overview
- CVE ID
- CVE-2020-15704
- Assigner
- security@ubuntu.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-01T00:15:09
- Last Modified Date
- 2021-11-18T17:44:58
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
AND | ||||
cpe:2.3:a:canonical:ppp:*:*:*:*:*:*:*:* | 1 | OR | 2.4.7-1\+ubuntu1.16.04.3 | |
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:a:canonical:ppp:*:*:*:*:*:*:*:* | 1 | OR | 2.4.7-2\+2ubuntu1.3 | |
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:a:canonical:ppp:*:*:*:*:*:*:*:* | 1 | OR | 2.4.7-2\+4.1ubuntu5.1 | |
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:a:canonical:ppp:*:*:*:*:*:*:*:* | 1 | OR | 2.4.5-5ubuntu1.4 | |
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:a:canonical:ppp:*:*:*:*:*:*:*:* | 1 | OR | 2.4.5-5.1ubuntu2.3\+esm2 | |
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
Reference URL | Reference Tags |
---|---|
https://ubuntu.com/security/notices/USN-4451-2 | Vendor Advisory |
https://ubuntu.com/security/notices/USN-4451-1 | Vendor Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15704 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15704 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 06:45:50 | Added to TrackCVE | |||
2022-12-04 21:47:51 | 2020-09-01T00:15Z | 2020-09-01T00:15:09 | CVE Published Date | updated |
2022-12-04 21:47:51 | 2021-11-18T17:44:58 | CVE Modified Date | updated | |
2022-12-04 21:47:51 | Analyzed | Vulnerability Status | updated |