83266 : Libxml2 for 64-bit Linux Multiple Integer Overflow Issues
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Timeline

Disclosure Date
2012-06-26
Time to Patch
49 days

Description

Libxml2 is prone to multiple integer overflow conditions in various functions including the 'growBuffer' macro [parser.c] as user-supplied input is not properly sanitized when handling overly long strings. With specially crafted XML files, an attacker can crash an application linked against the library or potentially execute arbitrary code.

Classification

Location: Local / Remote
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: PoC Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

It has been reported that this issue has been fixed. Upgrade to version 2.9.0, or higher, to address this vulnerability.

Upgrade to Google Chrome version 20.0.1132.43 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. iOS users can upgrade to version 7 to resolve this issue. Apple TV users can upgrade to version 6, or higher, to address this issue.

Products

Google, Inc.
Chrome
19.0.1084.56
VMware, Inc.
ESX
3.5
4.0
4.1
ESXi
4.1
4.0
3.5
Oracle Corporation
Solaris
10
11.1
XMLSoft
Libxml2
2.8.0
Apple Inc.
iTunes
11.1
Apple TV
5.2.0
6.0 (not affected)
5.2.1
Apple iOS
6.1.4

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2013-09-27 | Disagree? | There are 2 more: View All

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

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