Rule Category

BROWSER-OTHER -- Snort has detected suspicious traffic known to exploit vulnerabilities present in an Internet browser other than Firefox, Internet Explorer, or Chrome, or which is present in multiple browsers. This rule should be enabled for systems that use any mainstream browser, to offer complete coverage. (ie, If a vulnerability affects both Chrome and Firefox, but is covered by a rule under the Chrome category, Firefox users might have Chrome coverage turned off and miss the vulnerability.)

Alert Message

BROWSER-OTHER Opera Content-Length header integer overflow attempt

Rule Explanation

Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute arbitrary code via a large Content-Length value, which triggers a heap overflow. Impact: CVSS base score 10.0 CVSS impact score 10.0 CVSS exploitability score 10.0 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

This rule looks for malicious traffic targeting Opera.

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

Rule Groups

No rule groups

CVE

Additional Links

Rule Vulnerability

Memory Corruption

Memory Corruption is any vulnerability that allows the modification of the content of memory locations in a way not intended by the developer. Memory corruption results are inconsistent; they could lead to fatal errors and system crashes or data leakage; some have no effect at all.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2010-1349
Loading description

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Drive-by Compromise

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org