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CVE Record

CVE-2015-4598: PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not ensure that pathnames lack %00 seq...

PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not ensure that pathnames lack %00 sequences, which might allow remote attackers to read or write to arbitrary files via crafted input to an application that calls (1) a DOMDocument save method or (2) the GD imagepsloadfont function, as demonstrated by a filename\0.html attack that bypasses an intended configuration in which client users may write to only .html files.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a legacy PHP flaw where certain file-handling paths could mishandle encoded null-byte sequences. If an exposed application passed attacker-controlled filenames into affected DOMDocument or GD functions, file extension restrictions could be bypassed, potentially allowing unauthorized file reads or writes. Exposure is most likely in legacy PHP 5.x deployments below the fixed releases, especially applications accepting user-controlled file paths for DOMDocument save operations or GD font loading. Vendor-packaged PHP may include backported fixes, so package advisory status matters more than raw version strings alone. Treat this as high priority where legacy PHP applications remain internet-facing or process user-controlled filenames. For fully upgraded environments, urgency is lower but validation is still warranted because PHP 5.x is obsolete and may carry broader unsupported-risk exposure. Mitigation focus: Upgrade PHP to 5.4.42, 5.5.26, 5.6.10, or vendor-fixed packages.; Prioritize migration away from unsupported PHP 5.x branches.; Review vendor advisories from PHP, Debian, Red Hat, and Oracle for package-specific fixes..

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Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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