|Date: (C)2005-12-31 (M)2017-07-18|
|CVSS Score: 5.0||Access Vector: NETWORK|
|Exploitability Subscore: 10.0||Access Complexity: LOW|
|Impact Subscore: 2.9||Authentication: NONE|
| ||Confidentiality: NONE|
| ||Integrity: PARTIAL|
| ||Availability: NONE|
The BlackBerry Attachment Service in Research in Motion (RIM) BlackBerry Enterprise Server (BES) 4.0 to version 4.0 Service Pack 2 allows attackers to cause a denial of service via a malformed Portable Network Graphics (PNG) file that triggers a heap-based buffer overflow.