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Last updated: 4/23/2014

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Vulnerability Summary for CVE-2009-3627

Original release date: 10/29/2009
Last revised: 10/30/2009
Source: US-CERT/NIST

Overview

The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/AU:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/19/2009)
This issue does not affect Red Hat Enterprise Linux 3, 4, or 5. This flaw can only lead to a denial of service if perl-HTML-Parser is used in conjunction with perl 5.10.1. If perl-HTML-Parser is used with earlier versions of perl, this flaw does not lead to a denial of service.

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External Source: XF
Name: htmlparser-decodeentities-dos(53941)
External Source: CONFIRM
Name: https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225
Type: Patch Information
External Source: SECUNIA
Name: 37155
Type: Advisory
External Source: MLIST
Name: [oss-security] 20091023 CVE-2009-3627 assignment notification - HTML-Parser-3.63
Type: Patch Information
External Source: VUPEN
Name: ADV-2009-3022
Type: Advisory; Patch Information
External Source: BID
Name: 36807
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=530604
External Source: CONFIRM
Name: http://github.com/gisle/html-parser/commit/b9aae1e43eb2c8e989510187cff0ba3e996f9a4c

Technical Details

Vulnerability Type (View All)