VDB-119947 · CVE-2018-1000532 · Nessus 121073

Beep 1.3 --device path traversal

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.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Beep 1.3. This vulnerability affects unknown code. This manipulation of the argument --device as part of File Name causes path traversal. This vulnerability is tracked as CVE-2018-1000532. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Beep 1.3 and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation of the argument --device as part of a File Name leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

beep version 1.3 and up contains a External Control of File Name or Path vulnerability in --device option that can result in Local unprivileged user can inhibit execution of arbitrary programs by other users, allowing DoS. This attack appear to be exploitable via The system must allow local users to run beep.

The bug was discovered 04/03/2018. The weakness was disclosed 06/26/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-1000532 since 06/22/2018. Attacking locally is a requirement. A single authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 84 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 121073 (Fedora 29 : beep (2018-92eff16e03)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121073). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Beep

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 121073
Nessus Name: Fedora 29 : beep (2018-92eff16e03)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/03/2018 🔍
06/22/2018 +80 days 🔍
06/26/2018 +3 days 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
01/10/2019 +198 days 🔍
01/11/2019 +1 days 🔍
03/29/2023 +1538 days 🔍