VDB-109417 · CVE-2014-4000 · Qualys 350982

Cacti up to 0.9 unserialize(stripslashes) Serialized Object code 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.
7.2$0-$5k0.00

A vulnerability has been found in Cacti up to 0.9 (Log Management Software) and classified as critical. Affected by this vulnerability is the function unserialize(stripslashes). The manipulation as part of a Serialized Object leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cacti before 1.0.0 allows remote authenticated users to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object, related to calling unserialize(stripslashes()).

The bug was discovered 01/30/2017. The weakness was disclosed 11/15/2017 (Website). The advisory is shared at security.gentoo.org. This vulnerability is known as CVE-2014-4000 since 06/09/2014. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 80 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99530 (Amazon Linux AMI : cacti (ALAS-2017-817)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350982 (Amazon Linux Security Advisory for cacti: ALAS-2017-817).

Upgrading to version 1.0.0 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 vulnerability database at Tenable (99530).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 99530
Nessus Name: Amazon Linux AMI : cacti (ALAS-2017-817)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for cacti FEDORA-2017-a513be0939
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cacti 1.0.0

Timelineinfo

06/09/2014 🔍
01/30/2017 +966 days 🔍
04/20/2017 +80 days 🔍
04/21/2017 +1 days 🔍
11/15/2017 +208 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
12/06/2019 +750 days 🔍

Sourcesinfo

Advisory: security.gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-4000 (🔍)

Entryinfo

Created: 11/16/2017 10:23
Updated: 12/06/2019 15:57
Changes: 11/16/2017 10:23 (73), 12/06/2019 15:57 (2)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!