XMLSoft libxml 2.7.2 libxml2 xmlSAX2Characters resource management

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in XMLSoft libxml 2.7.2. This affects the function xmlSAX2Characters of the component libxml2. The manipulation leads to resource management. This vulnerability is traded as CVE-2008-4226. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in XMLSoft libxml 2.7.2. It has been rated as critical. This issue affects the function xmlSAX2Characters of the component libxml2. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows context-dependent attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a large XML document.

The bug was discovered 11/17/2008. The weakness was shared 11/18/2008 with Apple Product Security (Website). It is possible to read the advisory at admin.fedoraproject.org. The identification of this vulnerability is CVE-2008-4226 since 09/24/2008. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 34846 (openSUSE 10 Security Update : libxml2 (libxml2-5754)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86880 (HP System Management Homepage Cross-Site Scripting and Denial of Service Vulnerabilities (c02029444)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46782), Tenable (34846), SecurityFocus (BID 32326†), OSVDB (49993†) and Secunia (SA33746†). The entries VDB-3975, VDB-41652, VDB-45748 and VDB-45178 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 34846
Nessus Name: openSUSE 10 Security Update : libxml2 (libxml2-5754)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61904
OpenVAS Name: Debian Security Advisory DSA 1666-1 (libxml2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/24/2008 🔍
11/07/2008 +44 days 🔍
11/17/2008 +10 days 🔍
11/17/2008 +0 days 🔍
11/17/2008 +0 days 🔍
11/17/2008 +0 days 🔍
11/18/2008 +1 days 🔍
11/18/2008 +0 days 🔍
11/18/2008 +0 days 🔍
11/21/2008 +2 days 🔍
11/25/2008 +4 days 🔍
02/02/2009 +69 days 🔍
03/17/2015 +2234 days 🔍
08/21/2019 +1618 days 🔍

Sourcesinfo

Advisory: admin.fedoraproject.org
Organization: Apple Product Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4226 (🔍)
GCVE (CVE): GCVE-0-2008-4226
GCVE (VulDB): GCVE-100-45179

OVAL: 🔍
IAVM: 🔍

X-Force: 46782
SecurityFocus: 32326 - libxml2 'xmlSAX2Characters()' Integer Overflow Vulnerability
Secunia: 33746 - VMware ESX Server update for net-snmp and libxml2, Moderately Critical
OSVDB: 49993 - libxml2 xmlSAX2Characters() Function XML File Parsing Overflow
SecurityTracker: 1021238
Vulnerability Center: 20040 - Libxml2 xmlSAX2Characters Integer Overflow Vulnerability Allows Remote DoS and Code Execution, High
Vupen: ADV-2008-3176

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/21/2019 08:10
Changes: 03/17/2015 16:11 (91), 08/21/2019 08:10 (3)
Complete: 🔍
Cache ID: 216:A6E:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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