CVE-2015-4334 - Vulnerability Details - OpenCVE

The default configuration of SGOS in Blue Coat ProxySG before 6.2.16.5, 6.5 before 6.5.7.1, and 6.6 before 6.6.2.1 forwards authentication challenges from upstream origin content servers (OCS) when used in an explicit proxy deployment, which makes it easier for remote attackers to obtain sensitive information via a 407 (aka Proxy Authentication Required) HTTP status code, as demonstrated when using NTLM authentication.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00579.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:symantec:proxysg_firmware::::::::
	cpe:2.3:o:symantec:proxysg_firmware::::::::
	cpe:2.3:o:symantec:proxysg_firmware::::::::

No data.

No data.

Subscriptions

Vendors	Products
Symantec Subscribe	Proxysg Firmware Subscribe

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2015-4357	The default configuration of SGOS in Blue Coat ProxySG before 6.2.16.5, 6.5 before 6.5.7.1, and 6.6 before 6.6.2.1 forwards authentication challenges from upstream origin content servers (OCS) when used in an explicit proxy deployment, which makes it easier for remote attackers to obtain sensitive information via a 407 (aka Proxy Authentication Required) HTTP status code, as demonstrated when using NTLM authentication.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.securitytracker.com/id/1032149
https://bto.bluecoat.com/security-advisory/sa93
https://twitter.com/bugch3ck/status/591492380294979585

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2015-12-07T20:00:00.000Z

Updated: 2024-08-06T06:11:12.842Z

Reserved: 2015-06-04T00:00:00.000Z

Link: CVE-2015-4334

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2015-12-07T20:59:05.900

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-4334

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

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