Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2816

Severity CVSS v4.0:
Pending analysis
Type:
CWE-352 Cross-Site Request Forgery (CSRF)
Publication date:
13/11/2009
Last modified:
09/04/2025

Description

The implementation of Cross-Origin Resource Sharing (CORS) in WebKit, as used in Apple Safari before 4.0.4 and Google Chrome before 3.0.195.33, includes certain custom HTTP headers in the OPTIONS request during cross-origin operations with preflight, which makes it easier for remote attackers to conduct cross-site request forgery (CSRF) attacks via a crafted web page.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* 4.0.4 (excluding)
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* 3.0.195.33 (excluding)
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 4.0 (excluding)
cpe:2.3:o:opensuse:opensuse:11.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:12:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools