Vulnerability Description
WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.3 on Mac OS X 10.4, does not properly handle the :first-letter pseudo-element in a Cascading Style Sheets (CSS) token sequence, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | <= 5.0.2 |
| Apple | Webkit | All versions |
| Apple | Mac Os X | 10.5 |
| Apple | Mac Os X Server | 10.5 |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
Related Weaknesses (CWE)
References
- http://lists.apple.com/archives/security-announce/2010//Nov/msg00002.htmlVendor Advisory
- 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/42314
- http://secunia.com/advisories/43068
- http://support.apple.com/kb/HT4455PatchVendor Advisory
- http://support.apple.com/kb/HT4456
- http://www.vupen.com/english/advisories/2010/3046
- http://www.vupen.com/english/advisories/2011/0212
- https://exchange.xforce.ibmcloud.com/vulnerabilities/63360
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://lists.apple.com/archives/security-announce/2010//Nov/msg00002.htmlVendor Advisory
- 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/42314
FAQ
What is CVE-2010-3821?
CVE-2010-3821 is a vulnerability with a CVSS score of 9.3 (HIGH). WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.3 on Mac OS X 10.4, does not properly handle the :first-letter pseudo-element in a Cascading Style Sheets ...
How severe is CVE-2010-3821?
CVE-2010-3821 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-3821?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Webkit, Apple Mac Os X, Apple Mac Os X Server, Microsoft Windows 7.