What’s Vulnerable › Vulnerabilities

CVE-2012-1171

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-02-15 · updated 2026-06-16
• Weakness: CWE-200

Description

The libxml RSHUTDOWN function in PHP 5.x allows remote attackers to bypass the open_basedir protection mechanism and read arbitrary files via vectors involving a stream_close method call during use of a custom stream wrapper.

Affected products

• PHP: 5.0.0, 5.0.0-beta1, 5.0.0-beta2, 5.0.0-beta3, 5.0.0-beta4, 5.0.0-rc1 (+106)

References

• https://bugs.php.net/bug.php?id=61367
• https://bugzilla.redhat.com/show_bug.cgi?id=802591
• https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-read.phpt
• https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-write.phpt
• https://bugs.php.net/bug.php?id=61367
• https://bugzilla.redhat.com/show_bug.cgi?id=802591
• https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-read.phpt
• https://github.com/php/php-src/blob/master/ext/libxml/tests/bug61367-write.phpt

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