CVE-2020-12692

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
openstackkeystone
𝑥
< 15.0.1
openstackkeystone
16.0.0
canonicalubuntu_linux
18.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
keystone
bullseye
2:18.0.0-3+deb11u1
fixed
bookworm
2:22.0.0-2
fixed
sid
2:26.0.0-1
fixed
trixie
2:26.0.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
keystone
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
ignored
bionic
Fixed 2:13.0.4-0ubuntu1
released
xenial
needed
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/05/07/1
https://bugs.launchpad.net/keystone/+bug/1872737
https://security.openstack.org/ossa/OSSA-2020-003.html
https://usn.ubuntu.com/4480-1/
https://www.openwall.com/lists/oss-security/2020/05/06/4
http://www.openwall.com/lists/oss-security/2020/05/07/1
https://bugs.launchpad.net/keystone/+bug/1872737
https://security.openstack.org/ossa/OSSA-2020-003.html
https://usn.ubuntu.com/4480-1/
https://www.openwall.com/lists/oss-security/2020/05/06/4