What’s Vulnerable › Vulnerabilities

CVE-2010-3259

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-09-07 · updated 2026-06-16
• Weakness: CWE-200

Description

WebKit, as used in Apple Safari before 4.1.3 and 5.0.x before 5.0.3, Google Chrome before 6.0.472.53, and webkitgtk before 1.2.6, does not properly restrict read access to images derived from CANVAS elements, which allows remote attackers to bypass the Same Origin Policy and obtain potentially sensitive image data via a crafted web site.

Affected products

• Apple Iphone Os: before 4.2 — fixed in 4.2
• Apple Safari: before 4.1.3; from 5.0 before 5.0.3 — fixed in 4.1.3, 5.0.3
• Canonical Ubuntu Linux: 9.10, 10.04, 10.10
• Google Chrome: before 6.0.472.53 — fixed in 6.0.472.53
• Webkit: before 1.2.6 — fixed in 1.2.6

How to fix

Upgrade to a fixed version: Apple Iphone Os 4.2; Apple Safari 4.1.3, 5.0.3; Google Chrome 6.0.472.53; Webkit 1.2.6. Check the vendor advisory for mitigations.

References

• http://code.google.com/p/chromium/issues/detail?id=53001
• http://googlechromereleases.blogspot.com/2010/09/stable-and-beta-channel-updates.html
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00002.html
• http://lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
• http://secunia.com/advisories/41856
• http://secunia.com/advisories/42314
• http://secunia.com/advisories/43068
• http://secunia.com/advisories/43086
• http://support.apple.com/kb/HT4455
• http://support.apple.com/kb/HT4456
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:039

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