yast2-multipath up to 4.1.0 Temp File Name link following

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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in yast2-multipath up to 4.1.0 and classified as problematic. This impacts an unknown function of the component Temp File Name Handler. Executing a manipulation can lead to link following. This vulnerability is registered as CVE-2018-17955. The attack needs to be launched locally. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in yast2-multipath up to 4.1.0 and classified as problematic. This vulnerability affects an unknown code of the component Temp File Name Handler. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In yast2-multipath before version 4.1.1 a static temporary filename allows local attackers to overwrite files on systems without symlink protection

The weakness was published 03/15/2019 as Bug 1117592 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.suse.com. This vulnerability was named CVE-2018-17955 since 10/03/2018. The attack needs to be approached locally. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.1.1 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 2.2
CNA Vector (SUSE): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: yast2-multipath 4.1.1

Timelineinfo

10/03/2018 🔍
03/15/2019 +163 days 🔍
03/16/2019 +1 days 🔍
08/01/2023 +1599 days 🔍

Sourcesinfo

Advisory: Bug 1117592
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17955 (🔍)
GCVE (CVE): GCVE-0-2018-17955
GCVE (VulDB): GCVE-100-131800

Entryinfo

Created: 03/16/2019 07:37
Updated: 08/01/2023 15:58
Changes: 03/16/2019 07:37 (57), 05/17/2020 06:39 (1), 08/01/2023 15:58 (14)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!