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Mend.io Vulnerability Database

CVE-2008-5557

Date: December 23, 2008

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.

Severity Score

9.8

Related Resources (33)

Url: http://www.php.net/ChangeLog-5.php#5.2.7

Url: http://secunia.com/advisories/35306

Url: http://www.vupen.com/english/advisories/2009/1297

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10286

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/47525

Url: http://www.securityfocus.com/archive/1/501376/100/0/threaded

Url: http://secunia.com/advisories/35003

Url: http://wiki.rpath.com/Advisories:rPSA-2009-0035

Url: http://marc.info/?l=bugtraq&m=124654546101607&w=2

Url: http://securitytracker.com/id?1021482

Url: http://secunia.com/advisories/35074

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2009:045

Url: http://www.securityfocus.com/bid/32948

Url: http://www.us-cert.gov/cas/techalerts/TA09-133A.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2008-5557

Url: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444

Url: http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html

Url: http://www.redhat.com/support/errata/RHSA-2009-0350.html

Url: http://www.debian.org/security/2009/dsa-1789

Url: http://archives.neohapsis.com/archives/fulldisclosure/2008-12/0477.html

Url: http://lists.apple.com/archives/security-announce/2009/May/msg00002.html

Url: http://cvs.php.net/viewvc.cgi/php-src/ext/mbstring/libmbfl/filters/mbfilter_htmlent.c?r1=1.7&r2=1.8

Url: http://secunia.com/advisories/35650

Url: https://access.redhat.com/security/cve/CVE-2008-5557

Url: http://secunia.com/advisories/34642

Url: http://marc.info/?l=bugtraq&m=125631037611762&w=2

Url: https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01451.html

Url: http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html

Url: https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01465.html

Url: http://bugs.php.net/bug.php?id=45722

Url: http://support.apple.com/kb/HT3549

Url: https://nvd.nist.gov/vuln/detail/CVE-2008-5557

Url: https://www.mend.io/vulnerability-database/CVE-2008-5557

Severity Score

9.8

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	10.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2008-5557

Date: December 23, 2008

Severity Score

Related Resources (33)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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