pfSense up to 2.2 status_rrd_graph_img.php graph os command injection

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.
6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in pfSense up to 2.2. It has been rated as critical. The impacted element is an unknown function of the file status_rrd_graph_img.php. This manipulation of the argument graph with the input | as part of Parameter causes os command injection. This vulnerability appears as CVE-2016-10709. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in pfSense up to 2.2 (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the file status_rrd_graph_img.php. The manipulation of the argument graph with the input value | leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

pfSense before 2.3 allows remote authenticated users to execute arbitrary OS commands via a '|' character in the status_rrd_graph_img.php graph parameter, related to _rrd_graph_img.php.

The bug was discovered 04/15/2016. The weakness was presented 01/22/2018 as EDB-ID 39709 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2016-10709 since 01/21/2018. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. By approaching the search of inurl:status_rrd_graph_img.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 106499 (pfSense < 2.3 Multiple Vulnerabilities (SA-16_01 - SA-16_02)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 34062 (pfSense 2.3 Not Installed (pfSense-SA-16_01) (pfSense-SA-16_02)).

Upgrading to version 2.3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (39709), Tenable (106499) and SecurityFocus (BID 77312†). See VDB-78936, VDB-80319, VDB-81379 and VDB-90008 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 106499
Nessus Name: pfSense < 2.3 Multiple Vulnerabilities (SA-16_01 - SA-16_02)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: pfsense_graph_injection_exec.rb
MetaSploit Name: pfSense authenticated graph status RCE
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: pfSense 2.3

Timelineinfo

10/22/2015 🔍
04/01/2016 +162 days 🔍
04/15/2016 +14 days 🔍
01/21/2018 +646 days 🔍
01/21/2018 +0 days 🔍
01/22/2018 +1 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/31/2018 +9 days 🔍
02/01/2021 +1097 days 🔍

Sourcesinfo

Advisory: EDB-ID 39709
Researcher: Aanchal Malhotra, Isaac E. Cohen, Sharon Goldberg
Status: Not defined

CVE: CVE-2016-10709 (🔍)
GCVE (CVE): GCVE-0-2016-10709
GCVE (VulDB): GCVE-100-112273
SecurityFocus: 77312

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/22/2018 11:29
Updated: 02/01/2021 13:13
Changes: 01/22/2018 11:29 (78), 12/26/2019 15:17 (6), 02/01/2021 13:13 (4)
Complete: 🔍
Cache ID: 216:C2F:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!