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Debian Security Advisory DSA-4926-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
June 03, 2021                         https://www.debian.org/security/faq
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Package        : lasso
CVE ID         : CVE-2021-28091

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:
https://security-tracker.debian.org/tracker/lasso

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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