VDB-102925 · CVE-2017-2850 · BID 99184

Foscam C1 Indoor HD Camera 2.52.2.37 Web Management Interface pureftpd.passwd HTTP Request request smuggling

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Foscam C1 Indoor HD Camera 2.52.2.37. This impacts an unknown function of the file pureftpd.passwd of the component Web Management Interface. This manipulation as part of HTTP Request causes request smuggling. This vulnerability is registered as CVE-2017-2850. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Foscam C1 Indoor HD Camera 2.52.2.37 (Network Camera Software). Affected by this vulnerability is an unknown code of the file pureftpd.passwd of the component Web Management Interface. The manipulation as part of a HTTP Request leads to a request smuggling vulnerability. The CWE definition for the vulnerability is CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the web management interface in Foscam C1 Indoor HD cameras with application firmware 2.52.2.37, a specially crafted HTTP request can allow for a user to inject arbitrary characters in the pureftpd.passwd file during a username change, which in turn allows for bypassing chroot restrictions in the FTP server. An attacker can simply send an HTTP request to the device to trigger this vulnerability.

The bug was discovered 06/19/2017. The weakness was published 06/29/2017 by Cisco with Cisco Talos (Website). The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2017-2850 since 12/01/2016. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is needed for exploitation. Technical details are known, but no exploit is available.

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 $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99184†). Similar entries are available at VDB-102717, VDB-102718, VDB-102863 and VDB-102864. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
06/19/2017 +200 days 🔍
06/19/2017 +0 days 🔍
06/29/2017 +10 days 🔍
06/29/2017 +0 days 🔍
06/30/2017 +1 days 🔍
12/09/2022 +1988 days 🔍

Sourcesinfo

Vendor: foscam.com

Advisory: talosintelligence.com
Researcher: Cory Duplantis, Claudio Bozzato, another member (Cisco)
Organization: Cisco Talos
Status: Not defined

CVE: CVE-2017-2850 (🔍)
GCVE (CVE): GCVE-0-2017-2850
GCVE (VulDB): GCVE-100-102925
SecurityFocus: 99184 - Foscam IP Video Camera Multiple Command Injection Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/30/2017 09:07
Updated: 12/09/2022 14:33
Changes: 06/30/2017 09:07 (63), 10/21/2019 11:06 (4), 12/30/2020 09:20 (2), 12/09/2022 14:33 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!