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Debian: Security Advisory for shibboleth-sp (DSA-4905-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'shibboleth-sp' package(s) announced via the DSA-4905-1 advisory.
Insight
Insight
It was discovered that the Shibboleth Service Provider is prone to a NULL pointer dereference flaw in the cookie-based session recovery feature. A remote, unauthenticated attacker can take advantage of this flaw to cause a denial of service (crash in the shibd daemon/service). For additional information please refer to the upstream advisory at [link moved to references]
Affected Software
Affected Software
'shibboleth-sp' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 3.0.4+dfsg1-1+deb10u2. We recommend that you upgrade your shibboleth-sp packages.