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Fastly

the most candid vendor on exploitability and on what a WAF cannot do

Triggering the bug is much easier than turning it into cod…Patching the demonstrated paths does not make the bailout …Fastly’s Proactive Protection for PHP2Shell, Critical PHP …Fastly

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ClaimWho says itStatusPrimarySources
Triggering the bug is much easier than turning it into code execution; the CVSS vector says attack complexity high
Fastly: 'most deployments may be safe from RCE. Do not assume this holds true for you.' Imperva: five demonstrated techniques, three via session upload progress; about 67 KB of memory disclosed per attack.
Imperva; Fastly; the CVE recordconfirmed3/3Imperva Threat Research Fastly CVE record
Patching the demonstrated paths does not make the bailout mechanism safe; more paths should be expected
A position, from a vendor; consistent with the Fediverse report of a third bug.
Fastlyreported1/2Fastly oss-security

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