SID 1:15462

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 Multiple web browsers HTTP chunked transfer-encoding memory corruption attempt

Rule Explanation

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header. Impact: CVSS base score 9.3 CVSS impact score 10.0 CVSS exploitability score 8.6 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

No information provided

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].