Vulnerability identifier: #VU88959

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-7191

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-querystring
Other software / Other software solutions

Vendor: tjholowaychuk

Description

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

The vulnerability exists due to qs module in Node.js does not call the compact function for array data. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

node-querystring: 0.0.1 - 0.6.6

---

External links
http://secunia.com/advisories/60026
http://secunia.com/advisories/62170
http://www-01.ibm.com/support/docview.wss?uid=swg21685987
http://www-01.ibm.com/support/docview.wss?uid=swg21687263
http://www-01.ibm.com/support/docview.wss?uid=swg21687928
http://access.redhat.com/errata/RHSA-2016:1380
http://exchange.xforce.ibmcloud.com/vulnerabilities/96729
http://github.com/raymondfeng/node-querystring/commit/43a604b7847e56bba49d0ce3e222fe89569354d8
http://github.com/visionmedia/node-querystring/issues/104
http://nodesecurity.io/advisories/qs_dos_memory_exhaustion

---

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.