Secunia CSI7
Advisories
Research
Forums
Create Profile
Our Commitment
Database
Search
Advisories by Product
Advisories by Vendor
Terminology
Report Vulnerability
Insecure Library Loading
Moderately critical

Libxml2 Two Integer Overflow Vulnerabilities

-

Release Date:  2008-11-18    Last Update:  2008-11-19    Views:  9,048

Secunia Advisory SA32773

Where:

From remote

Impact:

DoS, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Two vulnerabilities have been reported in Libxml2, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise an application using the library.

1) An integer overflow error in the "xmlSAX2Characters()" function can be exploited to trigger a memory corruption via a specially crafted XML file.

Successful exploitation may allow execution of arbitrary code, but requires e.g. that the user is tricked into processing an overly large XML file (2GB or more).

2) An integer overflow error in the "xmlBufferResize()" function can be exploited to trigger the execution of an infinite loop.

The vulnerabilities are reported in version 2.7.2. Other versions may also be affected.


Solution:
Do not process untrusted XML content using the library.

Provided and/or discovered by:
Red Hat credits Drew Yao of Apple Product Security.

Original Advisory:
https://bugzilla.redhat.com/show_bug.cgi?id=470466
https://bugzilla.redhat.com/show_bug.cgi?id=470480

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Libxml2 Two Integer Overflow Vulnerabilities

No posts yet

-

You must be logged in to post a comment.



 Products Solutions Customers Partner Resources Company
 
 Corporate
Vulnerability Intelligence Manager (VIM)
Corporate Software Inspector (CSI)
Consumer
Personal Software Inspector (PSI)
Online Software Inspector (OSI)
 Industry
Compliance
Technology
Integration
 Customers
Testimonials
 VARS
MSSP
Technology Partners
References
 Factsheets
Reports
Webinars
Events
 About us
Careers
Memberships
Newsroom


 
© 2002-2014 Secunia ApS - Rued Langgaards Vej 8, 4th floor, DK-2300 Copenhagen, Denmark - +45 7020 5144
Terms & Conditions and Copyright - Privacy - Report Vulnerability