VDB-151624 · CVE-2019-15608 · GCVE-0-2019-15608

Yarn up to 1.18.x Package Integrity Validation logic error

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Yarn up to 1.18.x and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Package Integrity Validation. Executing a manipulation can lead to logic error. The identification of this vulnerability is CVE-2019-15608. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Yarn up to 1.18.x. This vulnerability affects an unknown code of the component Package Integrity Validation. The manipulation with an unknown input leads to a logic error vulnerability. The CWE definition for the vulnerability is CWE-840. As an impact it is known to affect integrity. CVE summarizes:

The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack. This issue is fixed in 1.19.0.

The weakness was shared 03/15/2020. This vulnerability was named CVE-2019-15608 since 08/26/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.19.0 eliminates this vulnerability.

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

Productinfo

Name

Yarn

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Logic error
CWE: CWE-840
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Yarn 1.19.0
Patch: github.com

Timelineinfo

08/26/2019 🔍
03/15/2020 +202 days 🔍
03/16/2020 +1 days 🔍
04/16/2024 +1492 days 🔍

Sourcesinfo

Advisory: 0474b8c66a8ea298f5e4dedc67b2de464297ad1c
Status: Not defined

CVE: CVE-2019-15608 (🔍)
GCVE (CVE): GCVE-0-2019-15608
GCVE (VulDB): GCVE-100-151624

Entryinfo

Created: 03/16/2020 08:06
Updated: 04/16/2024 13:06
Changes: 03/16/2020 08:06 (36), 03/16/2020 08:11 (17), 04/16/2024 13:06 (20)
Complete: 🔍
Cache ID: 216::103