Vulnerability identifier: #VU29196
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-310
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
elliptic
Other software /
Other software solutions
Vendor: indutny
Description
The vulnerability allows a remote attacker to comrpomise the target system.
The vulnerability exists due to the affected software allows ECDSA signature malleability via variations in encoding, leading "\0" bytes, or integer overflows. A remote attacker can cause a security-relevant impact if an application relied on a single canonical signature.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
elliptic: 6.5.2
External links
http://github.com/indutny/elliptic/issues/226
http://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4
http://www.npmjs.com/package/elliptic
http://yondon.blog/2019/01/01/how-not-to-use-ecdsa/
http://www.npmjs.com/advisories/1547
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.