CVE-2023-40577

Summary

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.

Affected Software

Weaknesses

• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
• https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
• https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html

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