FreeBSD 9.3/10.1/10.2 bsnmpd snmpd.config Key information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FreeBSD 9.3/10.1/10.2. The impacted element is an unknown function of the file snmpd.config of the component bsnmpd. The manipulation leads to information disclosure (Key). This vulnerability is uniquely identified as CVE-2015-5677. Local access is required to approach this attack. No exploit exists. You should change the configuration settings.

Detailsinfo

A vulnerability was found in FreeBSD 9.3/10.1/10.2 (Operating System). It has been rated as problematic. This issue affects an unknown functionality of the file snmpd.config of the component bsnmpd. The manipulation with an unknown input leads to a information disclosure vulnerability (Key). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

bsnmpd, as used in FreeBSD 9.3, 10.1, and 10.2, uses world-readable permissions on the snmpd.config file, which allows local users to obtain the secret key for USM authentication by reading the file.

The bug was discovered 01/14/2016. The weakness was disclosed 02/07/2017 (Website). It is possible to read the advisory at pierrekim.github.io. The identification of this vulnerability is CVE-2015-5677 since 07/26/2015. Attacking locally is a requirement. The successful exploitation needs a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 210 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 92919 (FreeBSD : FreeBSD -- Insecure default snmpd.config permissions (7a31dfba-600a-11e6-a6c3-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

It is possible to mitigate the problem by applying the configuration setting . 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 Tenable (92919). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Key
Class: Information disclosure / Key
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92919
Nessus Name: FreeBSD : FreeBSD -- Insecure default snmpd.config permissions (7a31dfba-600a-11e6-a6c3-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2015 🔍
01/14/2016 +172 days 🔍
08/11/2016 +210 days 🔍
08/12/2016 +1 days 🔍
02/07/2017 +179 days 🔍
02/07/2017 +0 days 🔍
02/07/2017 +0 days 🔍
11/11/2022 +2103 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: pierrekim.github.io
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5677 (🔍)
GCVE (CVE): GCVE-0-2015-5677
GCVE (VulDB): GCVE-100-96587
OSVDB: - CVE-2015-5677 - FreeBSD - Information Disclosure Issue
SecurityTracker: 1034678

Entryinfo

Created: 02/07/2017 22:12
Updated: 11/11/2022 20:40
Changes: 02/07/2017 22:12 (66), 08/11/2020 12:51 (5), 11/11/2022 20:40 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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