VDB
CVE-2020-12692
CVE-2020-12692
PUBLISHED
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.
EPSS 0.14% · 33.9th percentile
Risk Scores
EPSS Score
0.14%
33.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | keystone | 2:9.3.0-0ubuntu3.2, 2:9.0.0~b3-0ubuntu1, 2:9.0.0~rc1-0ubuntu1 |
| Ubuntu:18.04:LTS | keystone | 2:13.0.0~b2-0ubuntu1, 2:13.0.0~rc2-0ubuntu1, 2:13.0.0-0ubuntu1 |
Exploit Intelligence
- https://security.openstack.org/ossa/OSSA-2020-003.html (circl)
- https://bugs.launchpad.net/keystone/+bug/1872737 (circl)
- https://www.openwall.com/lists/oss-security/2020/05/06/4 (circl)
- [oss-security] 20200507 Re: [OSSA-2020-003] Keystone: Keystone does not check signature TTL of the EC2 credential auth method (CVE PENDING) (circl)
- USN-4480-1 (circl)
Timeline
- May 6, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-12692 third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/05/06/4 third-party-advisory
- https://ubuntu.com/security/notices/USN-4480-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-12692 third-party-advisory