Debian Security Advisory

DSA-4926-1 lasso -- security update

Date Reported:
03 Jun 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-28091.
More information:

It was discovered that lasso, a library which implements SAML 2.0 and Liberty Alliance standards, did not properly verify that all assertions in a SAML response were properly signed, allowing an attacker to impersonate users or bypass access control.

For the stable distribution (buster), this problem has been fixed in version 2.6.0-2+deb10u1.

We recommend that you upgrade your lasso packages.

For the detailed security status of lasso please refer to its security tracker page at: