Vulnerability identifier: #VU65749
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-347
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
node-forge
Web applications /
Modules and components for CMS
Vendor: Synex Technologies
Description
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to a improper signature verification when checking the digestAlgorithm structure. A remote unauthenticated attacker can use a specially-crafted structure to steal padding bytes and use unchecked portion of the PKCS#1 encoded message to exploit this vulnerability and forge a signature when a low public exponent is being used.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
node-forge: 1.0.0 - 1.2.1
External links
http://github.com/digitalbazaar/forge/security/advisories/GHSA-cfm4-qjh2-4765
http://github.com/digitalbazaar/forge/commit/3f0b49a0573ef1bb7af7f5673c0cfebf00424df1
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.