Symantec Web Gateway up to 5.1.0 spywall/blocked.php u cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Symantec Web Gateway up to 5.1.0. The impacted element is an unknown function of the file spywall/blocked.php. Performing a manipulation of the argument u results in cross site scripting. This vulnerability was named CVE-2013-4670. The attack may be initiated remotely. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Symantec Web Gateway up to 5.1.0 (Firewall Software). It has been classified as problematic. This affects some unknown functionality of the file spywall/blocked.php. The manipulation of the argument u with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in the management console on the Symantec Web Gateway (SWG) appliance before 5.1.1 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The bug was discovered 12/18/2012. The weakness was presented 07/25/2013 by Wolfgang Ettlingers with SEC Consult Unternehmensberatung GmbH as confirmed mailinglist post (Bugtraq). The advisory is shared at seclists.org. The public release was coordinated in cooperation with Symantec. This vulnerability is uniquely identified as CVE-2013-4670 since 06/24/2013. 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. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by SEC Consult and been published 1 days after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 219 days. During that time the estimated underground price was around $5k-$25k. By approaching the search of inurl:spywall/blocked.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 69179 (Symantec Web Gateway < 5.1.1 Multiple Vulnerabilities (SYM13-008)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12714 (Symantec Web Gateway Multiple Vulnerabilities (SYM13-008)).

Upgrading to version 5.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (27136), Tenable (69179), SecurityFocus (BID 61103†), OSVDB (95692†) and Secunia (SA54294†). See VDB-9752, VDB-9754, VDB-9755 and VDB-9756 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: SEC Consult
Download: 🔍
Google Hack: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69179
Nessus Name: Symantec Web Gateway < 5.1.1 Multiple Vulnerabilities (SYM13-008)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803094
OpenVAS Name: Symantec Web Gateway Multiple Vulnerabilities-Aug2013
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Web Gateway 5.1.1

Timelineinfo

12/18/2012 🔍
06/24/2013 +188 days 🔍
07/17/2013 +23 days 🔍
07/25/2013 +8 days 🔍
07/25/2013 +0 days 🔍
07/26/2013 +1 days 🔍
07/26/2013 +0 days 🔍
07/27/2013 +1 days 🔍
07/29/2013 +2 days 🔍
08/01/2013 +3 days 🔍
08/01/2013 +0 days 🔍
08/04/2013 +3 days 🔍
05/20/2021 +2846 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: seclists.org
Researcher: Wolfgang Ettlingers
Organization: SEC Consult Unternehmensberatung GmbH
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4670 (🔍)
GCVE (CVE): GCVE-0-2013-4670
GCVE (VulDB): GCVE-100-9753

IAVM: 🔍

SecurityFocus: 61103 - Symantec Web Gateway CVE-2013-4670 Cross Site Scripting and HTML Injection Vulnerabilities
Secunia: 54294 - Symantec Web Gateway Multiple Vulnerabilities, Moderately Critical
OSVDB: 95692
Vulnerability Center: 40816 - Symantec Web Gateway Management Console Before 5.1.1 Cross-Site Scripting Vulnerability via Crafted URL, Medium

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

Entryinfo

Created: 07/29/2013 16:10
Updated: 05/20/2021 15:35
Changes: 07/29/2013 16:10 (84), 08/26/2017 06:42 (13), 05/20/2021 15:35 (3)
Complete: 🔍
Committer:
Cache ID: 216:C42:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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