Microsoft Internet Explorer 8 Table Tree use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability has been found in Microsoft Internet Explorer 8 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component Table Tree Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The issue has been introduced in 03/05/2008. The weakness was released 07/19/2013 by Orange Tsai as MS13-055 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. The public release was coordinated with the vendor. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by metasploit (wchen-r7) in Ruby and been published 2 months after the advisory. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1952 days. During that time the estimated underground price was around $25k-$100k.

Applying the patch MS13-055 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The problem might be mitigated by replacing the product with Mozilla Firefox, Google Chrome or Opera as an alternative. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (28187). Additional details are provided at speakerd.s3.amazonaws.com. Entries connected to this vulnerability are available at 9405, 9751 and 10309.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: metasploit (wchen-r7)
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: MS13-055
Alternative: Mozilla Firefox/Google Chrome/Opera

Timelineinfo

03/05/2008 🔍
07/09/2013 +1952 days 🔍
07/19/2013 +10 days 🔍
09/09/2013 +52 days 🔍
09/10/2013 +1 days 🔍
09/12/2013 +2 days 🔍
04/07/2017 +1303 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-055
Researcher: Orange Tsai
Status: Confirmed
Coordinated: 🔍
OSVDB: 97081 - Microsoft IE Illogical Table Tree Handling Use-After-Free Arbitrary Code Execution

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/12/2013 12:04
Updated: 04/07/2017 12:04
Changes: 09/12/2013 12:04 (62), 04/07/2017 12:04 (3)
Complete: 🔍
Cache ID: 3:16E:103

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