CVE-2008-5557

CVE Details

Release Date:	2008-12-23
Impact:	Moderate	What is this?

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.

See more information about CVE-2008-5557 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	10.0
Vector String:	AV:N/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 3 (php)	ELSA-2009-0337	2009-04-06
Oracle Enterprise Linux version 4 (php)	ELSA-2009-0337	2009-04-06
Oracle Linux version 5 (php)	ELSA-2009-0338	2009-04-06