Multiple vulnerabilities in lodash



| Updated: 2019-07-22
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-16487
CVE-2019-1010266
CWE-ID CWE-94
CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
 Lodash
Web applications / JS libraries

Vendor Lodash

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Prototype pollution

EUVDB-ID: #VU19305

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-16487

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within the merge, mergeWith, and defaultsDeep functions. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype.

Successful exploitation of this vulnerability may result in complete compromise of the affected application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Lodash: 4.17.0 - 4.17.10

CPE2.3 External links

https://hackerone.com/reports/380873


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU19282

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-1010266

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the software does not properly parse user-supplied input in the Date Handler component. A remote authenticated attacker can send long strings that submit malicious input, which the library attempts to match using a regular expression and consume excessive amounts of CPU resources and cause a DoS condition.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Lodash: 0.1.0 - 4.17.10

CPE2.3 External links

https://github.com/lodash/lodash/issues/3359
https://github.com/lodash/lodash/wiki/Changelog


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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