Xterm.js Special Char input validation

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.
8.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Xterm.js. This issue affects some unknown processing. Performing a manipulation as part of Special Char results in input validation. This vulnerability is cataloged as CVE-2019-0542. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Xterm.js (Windowing System Software) (the affected version is unknown). This affects an unknown code. The manipulation as part of a Special Char leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters, aka "Xterm Remote Code Execution Vulnerability." This affects xterm.js.

The weakness was shared 01/09/2019 by Felix Wilhelm with Google Security Team (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2019-0542 since 11/26/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 237285 (Red Hat Update for OpenShift Container Platform 3.11 atomic-openshift-web-console (RHSA-2019:1422)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106434†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2018 🔍
01/08/2019 +43 days 🔍
01/09/2019 +1 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
06/26/2023 +1628 days 🔍

Sourcesinfo

Advisory: RHSA-2019:1422⛔
Researcher: Felix Wilhelm
Organization: Google Security Team
Status: Not defined

CVE: CVE-2019-0542 (🔍)
GCVE (CVE): GCVE-0-2019-0542
GCVE (VulDB): GCVE-100-128979
SecurityFocus: 106434 - Xterm.js CVE-2019-0542 Remote Code Execution Vulnerability

Entryinfo

Created: 01/10/2019 21:43
Updated: 06/26/2023 08:31
Changes: 01/10/2019 21:43 (43), 04/28/2020 11:26 (4), 06/26/2023 08:28 (2), 06/26/2023 08:31 (18)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!