Barracuda Load Balancer 5.4.0.004/6.0.1.006 os command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

A vulnerability was found in Barracuda Load Balancer 5.4.0.004/6.0.1.006 and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A remote command injection vulnerability exists in the Barracuda Load Balancer product line (confirmed on v5.4.0.004 (2015-11-26) and v6.0.1.006 (2016-08-19); fixed in 6.1.0.003 (2017-01-17)) in which an authenticated user can execute arbitrary shell commands and gain root privileges. The vulnerability stems from unsanitized data being processed in a system call when the delete_assessment command is issued.

The bug was discovered 07/18/2017. The weakness was presented 07/18/2017 as EDB-ID 42333 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2017-6320 since 02/26/2017. The attack may be launched remotely. The successful exploitation needs a simple authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

A public exploit has been developed by xort in Python and been published immediately after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional.

Upgrading to version 6.1.0.003 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42333).

Productinfo

Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: xort
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Load Balancer 6.1.0.003

Timelineinfo

01/17/2017 🔍
02/26/2017 +40 days 🔍
07/18/2017 +142 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
07/18/2017 +0 days 🔍
10/31/2019 +835 days 🔍

Sourcesinfo

Vendor: barracuda.com

Advisory: EDB-ID 42333
Status: Not defined

CVE: CVE-2017-6320 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/18/2017 20:57
Updated: 10/31/2019 08:50
Changes: 07/18/2017 20:57 (67), 10/31/2019 08:50 (1)
Complete: 🔍

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