Input validation error in jpv



Published: 2019-12-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-19507
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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jpv
Web applications / JS libraries

Vendor Manvel Khnkoyan

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU23454

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19507

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can use a specially crafted json, bypass "compareCommon()", and manipulate the type detection result, because certain internal attributes can be overwritten via a conflicting name, as demonstrated by 'constructor': {'name':'Array'}.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

jpv: 1.0.0 - 2.0.1


CPE2.3 External links

http://github.com/manvel-khnkoyan/jpv/issues/6
http://www.npmjs.com/package/jpv

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.



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