PT-2008-6618 · Php+2 · Php+2

Published 2008-12-23 · Updated 2018-10-11 · CVE-2008-5557

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions PHP versions 4.3.0 through 5.2.6

Description A heap-based buffer overflow issue exists in the mbstring extension, specifically in the ext/mbstring/libmbfl/filters/mbfilter htmlent.c file. This issue allows context-dependent attackers to execute arbitrary code via a crafted string containing an HTML entity, which is not properly handled during Unicode conversion. The issue is related to several functions, including mb convert encoding, mb check encoding, mb convert variables, and mb parse str.

Recommendations For PHP versions 4.3.0 through 5.2.6, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2008-5557

DSA-1789-1

DTSA-188-1

HPSBUX02431

HPSBUX02465

RHSA-2009:0337

RHSA-2009:0338

RHSA-2009:0350

RHSA-2009_0337

RHSA-2009_0338

Affected Products

Hp-Ux

Php

Red Hat

References · 79

• 🔥 http://cvs.php.net/viewvc.cgi/php-src/ext/mbstring/libmbfl/filters/mbfilter_htmlent.c?r1=1.7&r2=1.8 · Exploit
• 🔥 http://bugs.php.net/bug.php?id=45722 · Exploit
• http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3658 · Security Note
• http://marc.info/?l=bugtraq&m=125631037611762&w=2 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3660 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2939 · Security Note
• https://redhat.com/archives/fedora-package-announce/2009-May/msg01465.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2168 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0005 · Security Note
• http://mandriva.com/security/advisories?name=MDVSA-2009:045 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5557 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5498 · Security Note
• http://redhat.com/support/errata/RHSA-2009-0350.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2364 · Security Note