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  1. Confluence Data Center
  2. CONFSERVER-93623

DoS (Denial of Service) com.squareup.okio:okio-jvm Dependency in Confluence Data Center and Server


    • 7.5
    • High
    • CVE-2023-3635
    • Atlassian (Internal)
    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    • DoS (Denial of Service)
    • Confluence Data Center, Confluence Server

      This High severity com.squareup.okio:okio-jvm Dependency vulnerability was introduced in versions 7.13.0, 7.19.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, and 8.6.0 of Confluence Data Center and Server.

      This com.squareup.okio:okio-jvm Dependency vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has no impact to confidentiality, no impact to integrity, high impact to availability, and requires no user interaction.

      Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

      • Confluence Data Center and Server 7.19: Upgrade to a release 7.19.17, or any higher 7.19.x release
      • Confluence Data Center and Server 8.5: Upgrade to a release 8.5.4 or any higher 8.5.x release
      • Confluence Data Center 8.6: Upgrade to a release 8.6.2 or any higher 8.6.x release
      • Confluence Data Center 8.7: Upgrade to a release 8.7.1 or any higher release

      See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives).

      The National Vulnerability Database provides the following description for this vulnerability: GzipSource does not handle an exception that might be raised when parsing a malformed gzip buffer. This may lead to denial of service of the Okio client when handling a crafted GZIP archive, by using the GzipSource class.

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