QID 352394

Date Published: 2021-06-24

QID 352394: Amazon Linux Security Advisory for lasso: ALAS2-2021-1660

<DIV ID="issue_overview"> an xml signature wrapping (xsw) vulnerability was found in lasso.
This flaw allows an attacker to modify a valid saml response to include an unsigned saml assertion, which may be used to impersonate another valid user recognized by the service using lasso.
The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability. (
cve-2021-28091 ) </DIV>

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1660 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352394

    CVE-2021-28091 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1660 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1660.html
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].