QID 354897

Date Published: 2023-04-24

QID 354897: Amazon Linux Security Advisory for tomcat8 : ALAS-2023-1732

The simplified implementation of blocking reads and writes introduced in tomcat 10 and back-ported to tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in apache tomcat 10.1.0 to 10.1.0-m12, 10.0.0-m1 to 10.0.18, 9.0.0-m1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an http11processor instance resulting in responses, or part responses, to be received by the wrong client. (
( CVE-2021-43980) when using the remoteipfilter with requests received from a reverse proxy via http that include the x-forwarded-proto header set to https, session cookies created by apache tomcat 11.0.0-m1 to 11.0.0.-m2, 10.1.0-m1 to 10.1.5, 9.0.0-m1 to 9.0.71 and 8.5.0 to 8.5.85 did not include the secure attribute.
This could result in the user agent transmitting the session cookie over an insecure channel. (
( CVE-2023-28708)



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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Medium - 4.3 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2023-1732 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354897

    CVE-2021-43980 | CVE-2023-28708 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2023-1732 amazon linux URL Logo alas.aws.amazon.com/ALAS-2023-1732.html
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