CVE-2024-34451
CVE-2024-34451
In short
Ghost versions up to 5.85.1 have a flaw where attackers can bypass login attempt limits by sending multiple fake origin headers, making it easier to guess passwords through brute-force attacks.
Technical detail
Ghost fails to properly validate X-Forwarded-For headers when enforcing authentication rate limits, allowing attackers to spoof multiple client IPs and circumvent brute-force protections. This requires network access to the Ghost instance and assumes the application trusts proxy headers without validation; the impact is degraded authentication security.
Summary generated and translated by AI from the official description.
Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit protection mechanism by using many X-Forwarded-For headers with different values. NOTE: the vendor's position is that Ghost should be installed with a reverse proxy that allows only trusted X-Forwarded-For headers.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
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