SNS Vulnerability

AVG AntiVirus Cross-Site Scripting Vulnerability

Description

(:A cross-site scripting vulnerability has been identified in AVG Antivirus.:A remote attacker could exploit it in order to execute arbitrary JavaScript or HTML code by inciting their victim into following a specially formed link.::This vulnerability stems from a lack of input users when using "<a msg=133> and <ax ys=100>" tags.::A proof of concept is available via the searcher Twitter.)

Vulnerable Products

Vulnerable Software:
AVG Anti-Virus (Grisoft) - AVG Antivirus Professionnal (Grisoft) - 7.1.405, 7.1.406, 8.5.285, 8.5.322, 8.5.323

Solution

No solution for the moment.

CVE

References

- Twitter : AVG
https://twitter.com/taviso/status/657001717427339265

Vulnerability Manager Detection

IPS Protection

ASQ Engine alarm	Available Since
XSS - Prevention - GET : suspicious 'iframe' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'meta' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious tag with event found in URL	3.2.0
XSS - Prevention - GET : suspicious 'applet' tag found in URL	3.2.0
XSS - Phishing : suspicious 'div' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' attribute found in URL	3.2.0
XSS - Prevention - GET : suspicious 'img' tag found in URL	3.2.0
XSS - Phishing : suspicious 'a' tag found in URL	3.2.0
XSS - Prevention - GET : cookie access attempt using script language found in URL	3.2.0
XSS - Prevention - GET : suspicious 'embed' tag found in URL	3.2.0
XSS - Prevention - GET : suspicious 'object' tag found in URL	3.2.0
XSS - Phishing : suspicious 'form' tag found in URL	3.2.0
XSS - Prevention - GET : javascript code found in URL	3.2.0
XSS - Prevention - GET : evasion attempt using tag characters encoding in URL	3.2.0
XSS - Prevention - GET : suspicious 'style' tag found in URL	3.2.0
XSS - Phishing : suspicious 'link' tag found in URL	3.2.0
XSS - Prevention - GET : 'script' tag found in URL	3.2.0
XSS - Prevention - GET : 'location' javascript object found in URL	3.2.0
XSS - Prevention - GET : suspicious 'div' tag found in URL	3.2.0
SQL injection Prevention - GET : Evasion attempt with CAST and EXEC statements	5.0.0

Risk level

Moderate

Vulnerability First Public Report Date

2015-10-22

Target Type

Server

Possible exploit

Remote