Symantec Web Gateway spywall/timer.php l cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$0-$5k	0.00

A vulnerability classified as critical has been found in Symantec Web Gateway (Firewall Software) (affected version unknown). This affects an unknown functionality of the file spywall/timer.php. The manipulation of the argument l with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 05/06/2012 by B00y@ as File 112485/sym as confirmed knowledge base article (Website). It is possible to read the advisory at packetstormsecurity.org. The vendor was not involved in the public release. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

A public exploit has been developed by B00y@ and been published immediately after the advisory. The exploit is shared for download at packetstormsecurity.org. It is declared as proof-of-concept. By approaching the search of inurl:spywall/timer.php it is possible to find vulnerable targets with Google Hacking.

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 Exploit-DB (18832).

Productinfo

Type

Firewall Software

Vendor

Symantec

Name

Web Gateway

License

commercial

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: B00y@
Download: 🔍
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

05/06/2012 🔍
05/06/2012 +0 days 🔍
05/07/2012 +1 days 🔍
05/07/2012 +0 days 🔍
05/08/2012 +1 days 🔍
05/15/2012 +7 days 🔍
08/25/2017 +1928 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: File 112485/sym
Researcher: B00y@
Status: Confirmed
SecurityTracker: 1027025 - Symantec Web Gateway Input Validation Hole in 'spywall/timer.php' Permits Cross-Site Scripting Attacks
Secunia: 49064 - Symantec Web Gateway "l" Cross-Site Scripting Vulnerability, Less Critical
OSVDB: 81710

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/15/2012 11:45
Updated: 08/25/2017 19:26
Changes: 05/15/2012 11:45 (55), 08/25/2017 19:26 (3)
Complete: 🔍