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CVE
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CVE-2014-6229Date: (C)2014-12-30   (M)2023-12-22


The HashContext class in hphp/runtime/ext/ext_hash.cpp in Facebook HipHop Virtual Machine (HHVM) before 3.3.0 incorrectly expects that a certain key string uses '' for termination, which allows remote attackers to obtain sensitive information by leveraging read access beyond the end of the string, and makes it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging truncation of a string containing an internal '' character.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 5.0
Exploit Score: 10.0
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: NONE
Availability: NONE
  
Reference:
http://hhvm.com/blog/6239/hhvm-3-3-0
https://github.com/facebook/hhvm/commit/7135ec229882370a00411aa50030eada6034cc1b

CWE    1
CWE-200

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