CVE & CISA-KEV Catalog

CVE-2015-3412

MEDIUMEPSS 89th pctl
5.3
CVSS v3
NVD

Description

PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 does not ensure that pathnames lack %00 sequences, which might allow remote attackers to read arbitrary files via crafted input to an application that calls the stream_resolve_include_path function in ext/standard/streamsfuncs.c, as demonstrated by a filename\0.extension attack that bypasses an intended configuration in which client users may read files with only one specific extension.

CWE-200Information ExposureCWE-254

How to fix

Remediation Available
libapache2-mod-php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.11USN-2658-1
php5Ubuntu
Fixed in:5.5.9+dfsg-1ubuntu4.11USN-2658-1
php5-cgiUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.11USN-2658-1
php5-cliUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.11USN-2658-1
php5-fpmUbuntu
Fixed in:5.5.9+dfsg-1ubuntu4.11USN-2658-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

4.09%probability of exploitation in 30 days
89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit1
Vendor Advisory1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.