What’s Vulnerable › Vulnerabilities

CVE-2008-3837

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-09-24 · updated 2026-06-16

Description

Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, and SeaMonkey before 1.1.12, allow user-assisted remote attackers to move a window during a mouse click, and possibly force a file download or unspecified other drag-and-drop action, via a crafted onmousedown action that calls window.moveBy, a variant of CVE-2003-0823.

Affected products

• Canonical Ubuntu Linux: 6.06, 7.04, 7.10, 8.04
• Debian Linux: 4.0
• Mozilla Firefox: before 2.0.0.17; from 3.0 before 3.0.2 — fixed in 2.0.0.17, 3.0.2
• Mozilla Seamonkey: before 1.1.12 — fixed in 1.1.12

How to fix

Upgrade to a fixed version: Mozilla Firefox 2.0.0.17, 3.0.2; Mozilla Seamonkey 1.1.12. Check the vendor advisory for mitigations.

References

• http://download.novell.com/Download?buildid=WZXONb-tqBw~
• http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00005.html
• http://secunia.com/advisories/31984
• http://secunia.com/advisories/31985
• http://secunia.com/advisories/31987
• http://secunia.com/advisories/32010
• http://secunia.com/advisories/32011
• http://secunia.com/advisories/32012
• http://secunia.com/advisories/32042
• http://secunia.com/advisories/32044
• http://secunia.com/advisories/32089
• http://secunia.com/advisories/32095

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