VDB-109186 · CVE-2017-16641 · Qualys 277027

Cacti 1.1.27 Settings lib/rrd.php Parameter os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability was found in Cacti 1.1.27 (Log Management Software). It has been declared as critical. This vulnerability affects an unknown function in the library lib/rrd.php of the component Settings. The manipulation as part of a Parameter 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. CVE summarizes:

lib/rrd.php in Cacti 1.1.27 allows remote authenticated administrators to execute arbitrary OS commands via the path_rrdtool parameter in an action=save request to settings.php.

The bug was discovered 11/02/2017. The weakness was released 11/07/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2017-16641 since 11/07/2017. The attack can be initiated remotely. The successful exploitation requires a single authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:lib/rrd.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 104796 (Fedora 26 : cacti (2017-9762a831b2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277027 (Fedora Security Update for cacti (FEDORA-2017-9762a831b2)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104796). Entries connected to this vulnerability are available at 109225, 109226 and 109287.

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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Nessus ID: 104796
Nessus Name: Fedora 26 : cacti (2017-9762a831b2)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 703466
OpenVAS Name: Cacti RCE Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

11/02/2017 🔍
11/07/2017 +5 days 🔍
11/07/2017 +0 days 🔍
11/07/2017 +0 days 🔍
11/08/2017 +1 days 🔍
11/28/2017 +20 days 🔍
11/28/2017 +0 days 🔍
01/06/2023 +1865 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-9762a831b2
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16641 (🔍)
See also: 🔍

Entryinfo

Created: 11/08/2017 07:46
Updated: 01/06/2023 15:01
Changes: 11/08/2017 07:46 (74), 12/04/2019 20:24 (3), 01/23/2021 09:10 (2), 01/06/2023 14:56 (3), 01/06/2023 15:01 (1)
Complete: 🔍

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