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Research > Zero-Day Tracker > 20130507

IBM Notes PNG Integer Overflow

Date Disclosed:
5/7/2013

Date Patched:
5/7/2013 for Windows and Mac OS X clients only. 10/29/2013 Notes/Domino 9.0.1 released, containing a fix for UNIX/Linux clients.

Vendor:
IBM

Affected Software:
IBM Notes (formerly IBM Lotus Notes) for UNIX/Linux:
Version 9.x
Version 8.x

Description:
IBM Notes contains a vulnerability when parsing maliciously crafted PNG images, which may be embedded within an email message. No user interaction is required to exploit this vulnerability, other than viewing an email that contains a malicious PNG. Successful exploitation may allow a remote attacker to arbtrarily execute code within the security context of the currently logged on user. 

Severity:
High

Code Execution:
Yes.

Impact:
Remote Code Execution
Exploitation of this vulnerability is possible by convincing users to open an email containing a maliciously crafted PNG. Remote attackers who successfully exploit this vulnerability will be able to execute code on the vulnerable system with the same rights as the currently logged on user.

Mitigation:
Avoid opening untrusted emails, or emails from trusted sources that arrive unexpectedly. There is no patch currently available for UNIX/Linux clients. However, there is a patch available for Windows and Mac OS X clients. The vendor recommends disabling JavaScript within IBM Notes to make it more difficult to exploit this vulnerability.

Protection:
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.

  • 19074 - IBM Notes PNG Integer Overflow (20130506) - UNIX/Linux

Links:

Status:
2013-05-07 - Original disclosure.
2013-10-29 - Notes/Domino 9.0.1 released.

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