A vulnerability, which was classified as problematic, was found in Opera Web Browser 7.54 (Web Browser). This affects an unknown functionality. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability. The summary by CVE is:

Opera 7.54 allows remote attackers to cause a denial of service (application crash from memory exhaustion), as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created arrays.

The weakness was published 01/10/2005 by Berend-Jan Wever with Opera (Website). The advisory is shared at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2004-1201 since 12/14/2004. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (18282). Similar entries are available at 22666, 23744 and 22667.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 7.54

License

• free

CPE 2.3info

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• 🔍

CPE 2.2info

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