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authconfig: Information leak when SSSD is used for authentication against remote server

🗓️ 01 Aug 2017 07:26:21Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Authconfig flaw with sssd leaks user existence via timing attack for remote authentication.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7aarch64authconfig0:6.2.8-30.el7authconfig-0:6.2.8-30.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64authconfig0:6.2.8-30.el7authconfig-0:6.2.8-30.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64leauthconfig0:6.2.8-30.el7authconfig-0:6.2.8-30.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xauthconfig0:6.2.8-30.el7authconfig-0:6.2.8-30.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64authconfig0:6.2.8-30.el7authconfig-0:6.2.8-30.el7.x86_64.rpm
Red Hat Enterprise Linux7aarch64authconfig-debuginfo0:6.2.8-30.el7authconfig-debuginfo-0:6.2.8-30.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64authconfig-debuginfo0:6.2.8-30.el7authconfig-debuginfo-0:6.2.8-30.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64leauthconfig-debuginfo0:6.2.8-30.el7authconfig-debuginfo-0:6.2.8-30.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xauthconfig-debuginfo0:6.2.8-30.el7authconfig-debuginfo-0:6.2.8-30.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64authconfig-debuginfo0:6.2.8-30.el7authconfig-debuginfo-0:6.2.8-30.el7.x86_64.rpm
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13 May 2026 01:41Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24
CVSS 34.3
EPSS0.00208
2