Out of Bounds Memory Read in unserialize()

Disclosed: 2018-11-27 15:59:52 By cy1337 To ibb
Medium
Vulnerability Details
The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP. This has been fixed and assigned CVE-2017-12933 the bug report is here: https://bugs.php.net/bug.php?id=74111
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Report Stats
  • Report ID: 261336
  • State: Closed
  • Substate: resolved
  • Upvotes: 7
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