CVE-2008-5557 | Date: (C)2008-12-23 (M)2024-02-22 |
Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0 through 5.2.6 allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion, related to the (1) mb_convert_encoding, (2) mb_check_encoding, (3) mb_convert_variables, and (4) mb_parse_str functions.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V2 Severity: |
CVSS Score : 10.0 |
Exploit Score: 10.0 |
Impact Score: 10.0 |
|
CVSS V2 Metrics: |
Access Vector: NETWORK |
Access Complexity: LOW |
Authentication: NONE |
Confidentiality: COMPLETE |
Integrity: COMPLETE |
Availability: COMPLETE |
| |