Microsoft Forefront Unified Access Gateway 2000 InitParams.aspx orig_url server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Forefront Unified Access Gateway 2000. It has been rated as critical. Affected is an unknown function of the file uniquesig0/InternalSite/InitParams.aspx. The manipulation of the argument orig_url as part of Parameter leads to server-side request forgery. This vulnerability is traded as CVE-2018-12571. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Forefront Unified Access Gateway 2000. This issue affects an unknown function of the file uniquesig0/InternalSite/InitParams.aspx. The manipulation of the argument orig_url as part of a Parameter leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

uniquesig0/InternalSite/InitParams.aspx in Microsoft Forefront Unified Access Gateway 2010 allows remote attackers to trigger outbound DNS queries for arbitrary hosts via a comma-separated list of URLs in the orig_url parameter, possibly causing a traffic amplification and/or SSRF outcome.

The bug was discovered 06/20/2018. The weakness was shared 07/05/2018 as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2018-12571 since 06/19/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/03/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. By approaching the search of inurl:uniquesig0/InternalSite/InitParams.aspx 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.

seclists.org is providing further details. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/19/2018 🔍
06/20/2018 +1 days 🔍
07/05/2018 +14 days 🔍
07/05/2018 +0 days 🔍
07/06/2018 +1 days 🔍
04/03/2023 +1732 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 148389
Status: Not defined

CVE: CVE-2018-12571 (🔍)
GCVE (CVE): GCVE-0-2018-12571
GCVE (VulDB): GCVE-100-120449
SecurityTracker: 1041212

Misc.: 🔍

Entryinfo

Created: 07/06/2018 08:54
Updated: 04/03/2023 15:55
Changes: 07/06/2018 08:54 (61), 02/26/2020 08:29 (1), 04/03/2023 15:55 (4)
Complete: 🔍
Cache ID: 216::103

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

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