Opera before 9.23 allows remote attackers to execute arbitrary code via crafted Javascript that triggers a virtual function call on an invalid pointer.
Weakness
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Opera_browser | Opera | * | 9.23 (excluding) |
| Opera | Ubuntu | dapper | * |
| Opera | Ubuntu | edgy | * |
| Opera | Ubuntu | feisty | * |
| Opera | Ubuntu | upstream | * |
Extended Description
This weakness can take several forms, such as:
Potential Mitigations
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, glibc in Linux provides protection against free of invalid pointers.
References
- http://lists.opensuse.org/opensuse-security-announce/2007-08/msg00006.html
- http://secunia.com/advisories/26477
- http://secunia.com/advisories/26545
- http://secunia.com/advisories/26635
- http://security.gentoo.org/glsa/glsa-200708-17.xml
- http://www.opera.com/support/search/view/865/
- http://www.securityfocus.com/bid/25331
- http://www.securitytracker.com/id?1018572
- http://www.vupen.com/english/advisories/2007/2904
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36039
- http://lists.opensuse.org/opensuse-security-announce/2007-08/msg00006.html
- http://secunia.com/advisories/26477
- http://secunia.com/advisories/26545
- http://secunia.com/advisories/26635
- http://security.gentoo.org/glsa/glsa-200708-17.xml
- http://www.opera.com/support/search/view/865/
- http://www.securityfocus.com/bid/25331
- http://www.securitytracker.com/id?1018572
- http://www.vupen.com/english/advisories/2007/2904
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36039