STIGQter STIGQter: STIG Summary: Symantec ProxySG ALG Security Technical Implementation Guide Version: 1 Release: 3 Benchmark Date: 24 Apr 2020:

Symantec ProxySG must tailor the Exceptions messages to generate error messages that provide the information necessary for corrective actions without revealing information that could be exploited by adversaries.

DISA Rule

SV-104285r1_rule

Vulnerability Number

V-94331

Group Title

SRG-NET-000273-ALG-000129

Rule Version

SYMP-AG-000590

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the ProxySG to tailor the Exceptions messages to generate error messages that provide only the information necessary for corrective actions.

1. Log on to the Web Management Console.
2. Browse to Configuration >> Policy >> Exceptions.
3. Change "Install Exceptions Definitions from" to "Text Editor" and click "Install".
4. Refer to the Custom Exception Pages for ProxySG Guide for more information on creating the text for this field.
5. After the text is entered, click Install >> Apply.

Check Contents

On a client workstation configured to use the ProxySG as its web gateway, browse to a prohibited website and observe the error page displayed.

If Symantec ProxySG does not tailor the Exceptions messages to generate error messages that provide the information necessary for corrective actions without revealing information that could be exploited by adversaries, this is a finding.

Vulnerability Number

V-94331

Documentable

False

Rule Version

SYMP-AG-000590

Severity Override Guidance

On a client workstation configured to use the ProxySG as its web gateway, browse to a prohibited website and observe the error page displayed.

If Symantec ProxySG does not tailor the Exceptions messages to generate error messages that provide the information necessary for corrective actions without revealing information that could be exploited by adversaries, this is a finding.

Check Content Reference

M

Target Key

3515

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