IBM Lotus Domino GIF Integer Truncation Remote Code Execution Vulnerability

April 15th, 2015
ZDI-15-135 ZDI-CAN-2718

CVE ID

CVE-2015-0135

CVSS Score

10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors

IBM

Affected Products

Lotus Domino

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of IBM Lotus Domino. Authentication is not required to exploit this vulnerability.

The flaw exists within the nrouter.exe component which handles e-mails dispatched from nsmtp.exe listening on port 25. By specifying malicious dimensions within a GIF, an integer truncation can occur potentially resulting in an undersized buffer being allocated. A remote attacker could exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

Additional Details

IBM has issued an update to correct this vulnerability. More details can be found at:
http://www-01.ibm.com/support/docview.wss?uid=swg21701647

Disclosure Timeline

  • 2015-01-27 - Vulnerability reported to vendor
  • 2015-04-15 - Coordinated public release of advisory

Credit

bilou

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