#VU86832 Input validation error in Tough-cookie - CVE-2016-1000232

Vulnerability identifier: #VU86832

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-1000232

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Tough-cookie

Vendor: Salesforce

Description

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

The vulnerability exists due to the regular expression parsing flaw in HTTP request cookie header parsing. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tough-cookie: 2.2.2

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External links
https://access.redhat.com/errata/RHSA-2016:2101
https://access.redhat.com/errata/RHSA-2017:2912
https://access.redhat.com/security/cve/cve-2016-1000232
https://github.com/salesforce/tough-cookie/commit/615627206357d997d5e6ff9da158997de05235ae
https://github.com/salesforce/tough-cookie/commit/e4fc2e0f9ee1b7a818d68f0ac7ea696f377b1534
https://www.ibm.com/blogs/psirt/ibm-security-bulletin-ibm-api-connect-is-affected-by-node-js-tough-cookie-module-vulnerability-to-a-denial-of-service-cve-2016-1000232/
https://www.npmjs.com/advisories/130

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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.