CVE-2020-12692
CVSS V2 Medium 5.5
CVSS V3 Medium 5.4
Description
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.
Overview
- CVE ID
- CVE-2020-12692
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-05-07T00:15:10
- Last Modified Date
- 2022-04-27T14:49:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* | 1 | OR | 15.0.1 | |
| cpe:2.3:a:openstack:keystone:16.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.5
References
| Reference URL | Reference Tags |
|---|---|
| https://www.openwall.com/lists/oss-security/2020/05/06/4 | Mailing List Third Party Advisory |
| https://bugs.launchpad.net/keystone/+bug/1872737 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2020/05/07/1 | Mailing List Third Party Advisory |
| https://security.openstack.org/ossa/OSSA-2020-003.html | Vendor Advisory |
| https://usn.ubuntu.com/4480-1/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-12692 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12692 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:03 | Added to TrackCVE | |||
| 2022-12-04 16:13:09 | 2020-05-07T00:15Z | 2020-05-07T00:15:10 | CVE Published Date | updated |
| 2022-12-04 16:13:09 | 2022-04-27T14:49:33 | CVE Modified Date | updated | |
| 2022-12-04 16:13:09 | Analyzed | Vulnerability Status | updated |