5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.637 Medium
EPSS
Percentile
97.8%
Microsoft Windows GDI+ fails to properly handle ICO files, which could allow a remote, unauthenticated attacker to cause a denial-of-service condition.
Microsoft Windows Graphics Device Interface (GDI+) is an application programming interface (API) that provides programmers the ability to display information on screens and printers. GDI+ includes the ability to process ICO (icon) image files. There is an integer division by zero vulnerability in the way the ICO parsing component of GDI+ (Gdiplus.dll) handles ICO files with a Height
value of zero in the InfoHeader
section of the ICO file. By introducing a specially crafted ICO file to the vulnerable component, a remote attacker could trigger an integer division by zero denial-of-service condition.
Windows Explorer has been shown to be vulnerable, however any application that uses the GDI+ library may be vulnerable.
A remote, unauthenticated attacker may be able to cause a denial-of-service condition on a vulnerable system by introducing a specially crafted ICO file. The affected application would crash with a “division by zero” error. In the case of Windows Explorer, simply having the file on the desktop or any other location that is displayed by Explorer is enough to trigger the vulnerability.
We are currently unaware of a practical solution to this problem.
Do not open untrusted files
Do not open unfamiliar or unexpected files, particularly those hosted on web sites or delivered as email attachments. It may be possible for a malformed ICO file to be embedded in an executable or other file. Please see Cyber Security Tip ST04-010.
Do not follow unsolicited links
In order to convince users to visit their sites, attackers often use URL encoding, IP address variations, long URLs, intentional misspellings, and other techniques to create misleading links. Do not click on unsolicited links received in email, instant messages, web forums, or internet relay chat (IRC) channels. Type URLs directly into the browser to avoid these misleading links. While these are generally good security practices, following these behaviors will not prevent exploitation of this vulnerability in all cases, particularly if a trusted site has been compromised or allows cross-site scripting.
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Notified: May 03, 2007 Updated: June 06, 2007
Affected
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
Group | Score | Vector |
---|---|---|
Base | ||
Temporal | ||
Environmental |
Thanks to Dennis Rand of CSIS Security Group for reporting this vulnerability.
This document was written by Will Dormann.
CVE IDs: | CVE-2007-2237 |
---|---|
Severity Metric: | 5.54 Date Public: |
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.637 Medium
EPSS
Percentile
97.8%