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CVE-2024-38476 is a handler-confusion vulnerability in the core of Apache HTTP Server 2.4.59 and earlier. Malicious or exploitable backend application response headers can cause internal redirects to invoke unintended local handlers. CGI-style local redirects can propagate an attacker-influenced Content-Type into an internally redirected request, interacting with legacy handler selection that uses the content type when no explicit handler is set. Depending on enabled handlers and application configuration, exploitation can disclose information, enable server-side request forgery, or execute local scripts.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 3 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
23 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical vulnerability affecting httpd packages on Rocky Linux 9.2. Its cited CVSS vector indicates network access, low attack complexity, no required privileges or user interaction, and high confidentiality, integrity, and availability impacts. The technical mechanism is not described.
A previously disclosed Apache mod_proxy response-splitting vulnerability mentioned only for historical context.
A critical remotely exploitable vulnerability requiring no privileges or user interaction, with complete impact to confidentiality, integrity, and availability. The advisory indicates exploit availability and CISA KEV status.
An Apache vulnerability described as SSRF and listed as a possible initial access vector in the CPUID compromise.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.