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PHP Heap-based buffer overflow in 'mbstring' extension
Information
Severity
Severity
Critical
Family
Family
Buffer overflow
CVSSv2 Base
CVSSv2 Base
10.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
15 years ago
Modified
Modified
5 years ago
Summary
The host is running PHP and is prone to Buffer Overflow vulnerability.
Insight
Insight
The flaw is due to error in mbfilter_htmlent.c file in the mbstring extension. These can be exploited via mb_convert_encoding, mb_check_encoding, mb_convert_variables, and mb_parse_str functions.
Affected Software
Affected Software
PHP version 4.3.0 to 5.2.6 on all running platform.
Solution
Solution
Upgrade to version 5.2.7 or later.