Veracode Vulnerability DatabaseVERACODE:27639Prototype Pollution
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
y18n is vulnerable to prototype pollution. An attacker is able to exploit the vulnerability to inject arbitrary properties into existing construct prototypes and modify attributes such as __proto__, constructor and prototype.
References
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
github.com/418sec/huntr/blob/master/bounties/npm/y18n/1/README.md
github.com/418sec/JSON8/pull/2
github.com/yargs/y18n/issues/96
github.com/yargs/y18n/pull/107
github.com/yargs/y18n/pull/108
www.npmjs.com/advisories/1654
www.oracle.com/security-alerts/cpuApr2021.html
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P