CVE-2020-12692
MEDIUM5.4EPSS 0.14%OpenStack Keystone does not check signature TTL of the EC2 credential auth method
發布日:2022/5/24修改日:2026/4/28
也稱為:DEBIAN-CVE-2020-12692
描述
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.
受影響套件(3)
- Debian/keystonefrom 0, < 2:17.0.0~rc2-1
- PyPI/keystone>= 16.0.0.0rc1, < 16.0.0
- PyPI/keystonefrom 0, < 15.0.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
參考連結(11)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-12692
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-12692
- PATCHhttps://github.com/openstack/keystone
- WEBhttps://bugs.launchpad.net/keystone/+bug/1872737
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2020-56.yaml
- WEBhttps://opendev.org/openstack/keystone/commit/ab89ea749013e7f2c46260f68504f5687763e019
- WEBhttps://security.openstack.org/ossa/OSSA-2020-003.html
- WEBhttps://usn.ubuntu.com/4480-1
- WEBhttps://usn.ubuntu.com/4480-1/
- WEBhttps://www.openwall.com/lists/oss-security/2020/05/06/4
- WEBhttp://www.openwall.com/lists/oss-security/2020/05/07/1