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HistoryJun 03, 2021 - 8:22 p.m.

[SECURITY] [DSA 4926-1] lasso security update

2021-06-0320:22:41
lists.debian.org
7

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N


Debian Security Advisory DSA-4926-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
June 03, 2021 https://www.debian.org/security/faq


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: [email protected]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N