Denial of service in indy-node

1) Resource exhaustion

EUVDB-ID: #VU29117

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11090

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources in TAA handling code. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

indy-node: 1.7.0 - 1.12.2

External links

http://github.com/hyperledger/indy-node/blob/master/CHANGELOG.md#1123
http://github.com/hyperledger/indy-node/security/advisories/GHSA-3gw4-m5w7-v89c
http://pypi.org/project/indy-node/1.12.3/

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.