# CVE-2021-28091: lasso: The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including...

CVE-2021-28091 is fixed in 6 products on 1 platform, first by liblasso-perl 2.5.1-0ubuntu1.2, released June 1, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-28091
- Priority: High
- CVSS: 8.8 (Moderate)
- EPSS: 0.0138
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 1, 2021

## Description

The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of the whole life-cycle of SAML-based federations and provides bindings for multiple languages.  Security Fix(es):  * lasso: XML signature wrapping vulnerability when parsing SAML responses (CVE-2021-28091)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lasso RHEL 8 | 0:2.6.0-12.el8 | [RHSA-2021:4325](https://patchblox.com/security/data/fix/linux/rhsa-2021-4325.md) | Nov 9, 2021 |
| Linux | lasso almalinux 8 | 2.6.0-12.el8 | [ALSA-2021:4325](https://patchblox.com/security/data/fix/linux/alsa-2021-4325.md) | Nov 9, 2021 |
| Linux | lasso ol 8 | 0:2.6.0-12.el8 | [ELSA-2021-4325](https://patchblox.com/security/data/fix/linux/elsa-2021-4325.md) | Nov 16, 2021 |
| Linux | lasso rocky 8 | 0:2.6.0-12.el8 | [RLSA-2021:4325](https://patchblox.com/security/data/fix/linux/rlsa-2021-4325.md) | Nov 9, 2021 |
| Linux | lasso-devel RHEL 8 | 0:2.6.0-12.el8 | [RHSA-2021:4325](https://patchblox.com/security/data/fix/linux/rhsa-2021-4325.md) | Nov 9, 2021 |
| Linux | lasso-devel almalinux 8 | 2.6.0-12.el8 | [ALSA-2021:4325](https://patchblox.com/security/data/fix/linux/alsa-2021-4325.md) | Nov 9, 2021 |
| Linux | lasso-devel ol 8 | 0:2.6.0-12.el8 | [ELSA-2021-4325](https://patchblox.com/security/data/fix/linux/elsa-2021-4325.md) | Nov 16, 2021 |
| Linux | liblasso-perl Ubuntu 18.04.6 LTS (bionic) | 2.5.1-0ubuntu1.2 | [liblasso-perl 2.5.1-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblasso-perl-2.5.1-0ubuntu1.2.md) | Jun 1, 2021 |
| Linux | liblasso-perl Ubuntu 20.04 LTS (focal) | 2.6.0-7ubuntu1.2 | [liblasso-perl 2.6.0-7ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblasso-perl-2.6.0-7ubuntu1.2.md) | Jun 1, 2021 |
| Linux | liblasso3 Ubuntu 18.04.6 LTS (bionic) | 2.5.1-0ubuntu1.2 | [liblasso3 2.5.1-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-liblasso3-2.5.1-0ubuntu1.2.md) | Jun 1, 2021 |
| Linux | liblasso3 Ubuntu 20.04 LTS (focal) | 2.6.0-7ubuntu1.2 | [liblasso3 2.6.0-7ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-liblasso3-2.6.0-7ubuntu1.2.md) | Jun 1, 2021 |
| Linux | python-lasso Ubuntu 18.04.6 LTS (bionic) | 2.5.1-0ubuntu1.2 | [python-lasso 2.5.1-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-lasso-2.5.1-0ubuntu1.2.md) | Jun 1, 2021 |
| Linux | python3-lasso Ubuntu 18.04.6 LTS (bionic) | 2.5.1-0ubuntu1.2 | [python3-lasso 2.5.1-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lasso-2.5.1-0ubuntu1.2.md) | Jun 1, 2021 |
| Linux | python3-lasso Ubuntu 20.04 LTS (focal) | 2.6.0-7ubuntu1.2 | [python3-lasso 2.6.0-7ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-lasso-2.6.0-7ubuntu1.2.md) | Jun 1, 2021 |

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