QID 520015

Date Published: 2024-04-01

QID 520015: Atlassian Bitbucket Denial of Service Vulnerability (CVE-2024-21634)

Bitbucket is a Git-based source code repository hosting service owned by Atlassian.

The software.amazon.ion:ion-java Dependency vulnerability was introduced in Bitbucket Data Center and Server.
This software.amazon.ion:ion-java Dependency vulnerability, 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.

Affected versions :
Atlassian Bitbucket Server and Data Center version from 7.21.0 to 7.21.21
Atlassian Bitbucket Server and Data Center version from 8.0.0 to 8.8.7
Atlassian Bitbucket Server and Data Center version from 8.9.0 to 8.9.9
Atlassian Bitbucket Server and Data Center version from 8.10.0 to 8.10.6
Atlassian Bitbucket Server and Data Center version from 8.11.0 to 8.11.6
Atlassian Bitbucket Server and Data Center version from 8.12.0 to 8.12.6
Atlassian Bitbucket Server and Data Center version from 8.13.0 to 8.13.5
Atlassian Bitbucket Server and Data Center version from 8.14.0 to 8.14.4
Atlassian Bitbucket Server and Data Center version from 8.15.0 to 8.15.3
Atlassian Bitbucket Server and Data Center version from 8.16.0 to 8.16.2
Atlassian Bitbucket Server and Data Center version from 8.17.0 to 8.17.1
Atlassian Bitbucket Server and Data Center version 8.18.0

QID Detection Logic:(Unauthenticated):
It checks for vulnerable version of Atlassian Bitbucket Server.

Successful exploitation of the vulnerability can allow an attacker to trigger a Denial of Service attack.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution
    Vendor has released fix for this vulnerability. Customers are advised to refer to BSERV-19291 for more information pertaining to this vulnerability.

    Vendor References

    CVEs related to QID 520015

    CVE-2024-21634 |
    Software Advisories
    Advisory ID Software Component Link
    BSERV-19291 URL Logo jira.atlassian.com/browse/BSERV-19291
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