VDB-104435 · CVE-2017-11587 · BID 100484

Cisco DDR2200/DDR2201v1 /download.conf filename path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco DDR2200 and DDR2201v1. Affected by this issue is some unknown functionality of the file /download.conf. The manipulation of the argument filename leads to path traversal. This vulnerability is referenced as CVE-2017-11587. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cisco DDR2200 and DDR2201v1 (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the file /download.conf. The manipulation of the argument filename with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, and integrity. The summary by CVE is:

On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is directory traversal in the filename parameter to the /download.conf URI.

The bug was discovered 07/13/2017. The weakness was published 07/24/2017 (Website). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2017-11587 since 07/23/2017. 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 of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/06/2021). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 44004.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100484†). Similar entries are available at VDB-104436 and VDB-104437. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Path traversal
CWE: CWE-22
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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OpenVAS ID: 103403
OpenVAS Name: Cisco DDR2200 Series Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Snort ID: 44004
Snort Message: POLICY-OTHER Cisco DDR2200 ASDL gateway file download detected
Snort Class: 🔍

Timelineinfo

07/13/2017 🔍
07/23/2017 +10 days 🔍
07/23/2017 +0 days 🔍
07/24/2017 +1 days 🔍
07/24/2017 +0 days 🔍
08/23/2017 +30 days 🔍
01/06/2021 +1232 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: seclists.org
Researcher: The Gambler.
Status: Not defined

CVE: CVE-2017-11587 (🔍)
GCVE (CVE): GCVE-0-2017-11587
GCVE (VulDB): GCVE-100-104435
SecurityFocus: 100484 - Multiple Cisco ADSL Routers CVE-2017-11587 Directory Traversal Vulnerability

See also: 🔍

Entryinfo

Created: 07/24/2017 12:20
Updated: 01/06/2021 11:50
Changes: 07/24/2017 12:20 (66), 10/31/2019 19:38 (3), 01/06/2021 11:50 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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