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medium6.8Public exploit code

CVE-2010-3870

The utf8_decode function in PHP before 5.3.4 does not properly handle non-shortest form UTF-8 encoding and ill-formed subsequences in UTF-8 data, which makes i…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The utf8_decode function in PHP before 5.3.4 does not properly handle non-shortest form UTF-8 encoding and ill-formed subsequences in UTF-8 data, which makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms via a crafted string.

Affected products

VendorProductAffected versions
PhpPhp
before 5.2.14
from 5.3.0 before 5.3.4
CanonicalUbuntu Linux
Versions 6.06, 8.04, 9.10, 10.04, 10.10

Weakness classification

CWE-20

References