VDB-104801 · CVE-2017-7442 · EDB-ID 42418

Nitro Pro 11.0.3.173 saveAs/launchURL path traversal

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.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Nitro Pro 11.0.3.173. This issue affects the function saveAs/launchURL. The manipulation leads to path traversal. This vulnerability is documented as CVE-2017-7442. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Nitro Pro 11.0.3.173 and classified as critical. This issue affects the function saveAs/launchURL. The manipulation 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, integrity, and availability. The summary by CVE is:

Nitro Pro 11.0.3.173 allows remote attackers to execute arbitrary code via saveAs and launchURL calls with directory traversal sequences.

The bug was discovered 08/02/2017. The weakness was released 08/03/2017 as EDB-ID 42418 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-7442 since 04/05/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

After immediately, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371110 (Nitro Pro Javascript API Code Execution Vulnerability).

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 Exploit-DB (42418). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Nitro Pro

Version

11.0.3.173

CPE 2.3info

CPE 2.2info

Video

Youtube: Not available anymore

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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OpenVAS ID: 103119
OpenVAS Name: Nitro Pro saveAs and launchURL Code Execution Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: nitro_reader_jsapi.rb
MetaSploit Name: Nitro Pro PDF Reader 11.0.3.173 Javascript API Remote Code Execution
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

04/05/2017 🔍
08/02/2017 +119 days 🔍
08/03/2017 +1 days 🔍
08/03/2017 +0 days 🔍
08/03/2017 +0 days 🔍
08/03/2017 +0 days 🔍
08/03/2017 +0 days 🔍
11/25/2019 +844 days 🔍