10.0
CRITICAL
CVE-2008-5557
PHP mbstring Extension Heap Buffer Overflow
Description

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.

INFO

Published Date :

Dec. 23, 2008, 6:30 p.m.

Last Modified :

Oct. 11, 2018, 8:56 p.m.

Remotely Exploitable :

Yes !

Impact Score :

10.0

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2008-5557 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Php php
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2008-5557.

URL Resource
http://archives.neohapsis.com/archives/fulldisclosure/2008-12/0477.html
http://bugs.php.net/bug.php?id=45722 Exploit
http://cvs.php.net/viewvc.cgi/php-src/ext/mbstring/libmbfl/filters/mbfilter_htmlent.c?r1=1.7&r2=1.8 Exploit
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
http://marc.info/?l=bugtraq&m=124654546101607&w=2
http://marc.info/?l=bugtraq&m=125631037611762&w=2
http://secunia.com/advisories/34642
http://secunia.com/advisories/35003
http://secunia.com/advisories/35074
http://secunia.com/advisories/35306
http://secunia.com/advisories/35650
http://securitytracker.com/id?1021482
http://support.apple.com/kb/HT3549
http://wiki.rpath.com/Advisories:rPSA-2009-0035
http://www.debian.org/security/2009/dsa-1789
http://www.mandriva.com/security/advisories?name=MDVSA-2009:045
http://www.php.net/ChangeLog-5.php#5.2.7
http://www.redhat.com/support/errata/RHSA-2009-0350.html
http://www.securityfocus.com/archive/1/501376/100/0/threaded
http://www.securityfocus.com/bid/32948
http://www.us-cert.gov/cas/techalerts/TA09-133A.html US Government Resource
http://www.vupen.com/english/advisories/2009/1297
https://exchange.xforce.ibmcloud.com/vulnerabilities/47525
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10286
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01451.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01465.html

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2008-5557 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2008-5557 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 11, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/501376/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/501376/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10286 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10286 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/47525 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/47525 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 23, 2008

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.23 }} 0.49%

score

0.92381

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability