CVE-2010-3870
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
9 High
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.2%
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 configurations
References
bugs.php.net/bug.php?id=48230
bugs.php.net/bug.php?id=49687
lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html
lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html
lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
marc.info/?l=bugtraq&m=133469208622507&w=2
secunia.com/advisories/42410
secunia.com/advisories/42812
sirdarckcat.blogspot.com/2009/10/couple-of-unicode-issues-on-php-and.html
support.apple.com/kb/HT4581
svn.php.net/viewvc?view=revision&revision=304959
us2.php.net/manual/en/function.utf8-decode.php#83935
www.acunetix.com/blog/web-security-articles/security-risks-associated-with-utf8_decode/
www.blackhat.com/presentations/bh-usa-09/VELANAVA/BHUSA09-VelaNava-FavoriteXSS-SLIDES.pdf
www.mandriva.com/en/security/advisories?name=MDVSA-2010:224
www.openwall.com/lists/oss-security/2010/11/02/1
www.openwall.com/lists/oss-security/2010/11/02/11
www.openwall.com/lists/oss-security/2010/11/02/2
www.openwall.com/lists/oss-security/2010/11/02/4
www.openwall.com/lists/oss-security/2010/11/02/6
www.openwall.com/lists/oss-security/2010/11/02/8
www.openwall.com/lists/oss-security/2010/11/03/1
www.php.net/ChangeLog-5.php
www.redhat.com/support/errata/RHSA-2010-0919.html
www.redhat.com/support/errata/RHSA-2011-0195.html
www.securityfocus.com/bid/44605
www.securitytracker.com/id?1024797
www.ubuntu.com/usn/USN-1042-1
www.vupen.com/english/advisories/2010/3081
www.vupen.com/english/advisories/2011/0020
www.vupen.com/english/advisories/2011/0021
www.vupen.com/english/advisories/2011/0077
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
9 High
AI Score
Confidence
High
0.005 Low
EPSS
Percentile
75.2%