Symantec Advanced Secure Gateway/ProxySG up to 6.6/6.7.2.0 Management Console redirect

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Symantec Advanced Secure Gateway and ProxySG up to 6.6/6.7.2.0. This issue affects some unknown processing of the component Management Console. Executing a manipulation can lead to redirect. This vulnerability is registered as CVE-2016-9099. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Symantec Advanced Secure Gateway and ProxySG up to 6.6/6.7.2.0 (Firewall Software). It has been declared as critical. This vulnerability affects an unknown part of the component Management Console. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Symantec Advanced Secure Gateway (ASG) 6.6, ASG 6.7 prior to 6.7.2.1, ProxySG 6.5 prior to 6.5.10.6, ProxySG 6.6, and ProxySG 6.7 prior to 6.7.2.1 are susceptible to an open redirection vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to redirect the target user to a malicious web site.

The bug was discovered 01/09/2018. The weakness was published 05/11/2017 (Website). The advisory is shared for download at symantec.com. This vulnerability was named CVE-2016-9099 since 10/28/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1204.001.

The vulnerability scanner Nessus provides a plugin with the ID 105779 (Symantec ProxySG 6.5 < 6.5.10.6 / 6.6 < 6.6.5.13 / 6.7 < 6.7.3.1 Multiple Vulnerabilities (SA155)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context l.

Upgrading to version 6.7.2.1 eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105779) and SecurityFocus (BID 102455†). Similar entries are available at VDB-111534, VDB-111535 and VDB-111941. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105779
Nessus Name: Symantec ProxySG 6.5 < 6.5.10.6 / 6.6 < 6.6.5.13 / 6.7 < 6.7.3.1 Multiple Vulnerabilities (SA155)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Advanced Secure Gateway/ProxySG 6.7.2.1

Timelineinfo

10/28/2016 🔍
05/11/2017 +194 days 🔍
05/11/2017 +0 days 🔍
01/09/2018 +243 days 🔍
01/09/2018 +0 days 🔍
01/09/2018 +0 days 🔍
01/12/2018 +3 days 🔍
01/18/2018 +6 days 🔍
01/30/2021 +1108 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: symantec.com
Researcher: Jakub Palaczynski, Pawel Bartunek.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9099 (🔍)
GCVE (CVE): GCVE-0-2016-9099
GCVE (VulDB): GCVE-100-111940
SecurityFocus: 102455 - Symantec ProxySG and ASG CVE-2016-9099 Open Redirection Vulnerability
SecurityTracker: 1040138

See also: 🔍

Entryinfo

Created: 01/18/2018 08:05
Updated: 01/30/2021 09:06
Changes: 01/18/2018 08:05 (71), 12/23/2019 20:24 (5), 01/30/2021 09:02 (3), 01/30/2021 09:06 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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