CVE-2024-52796

Summary

Password Pusher, an open source application to communicate sensitive information over the web, comes with a configurable rate limiter. In versions prior to v1.49.0, the rate limiter could be bypassed by forging proxy headers allowing bad actors to send unlimited traffic to the site potentially causing a denial of service. In v1.49.0, a fix was implemented to only authorize proxies on local IPs which resolves this issue. As a workaround, one may add rules to one's proxy and/or firewall to not accept external proxy headers such as X-Forwarded-* from clients.

Affected Software

Weaknesses

• CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

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

References

• https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-ffp2-8p2h-4m5j
• https://docs.pwpush.com/docs/proxies/#trusted-proxies
• https://github.com/pglombardo/PasswordPusher/releases/tag/v1.49.0

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