openEuler 20.03 LTS SP1 update for gupnp

1) Input validation error

EUVDB-ID: #VU28948

Risk: Medium

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-12695

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The vulnerability exists due to a CallStranger issue in the UPnP SUBSCRIBE functionality. A remote attacker can send traffic to arbitrary destinations, leading to amplified DDoS attacks and data exfiltration.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

gupnp-help: before 1.2.4-1

gupnp-debuginfo: before 1.2.4-1

gupnp-debugsource: before 1.2.4-1

gupnp-devel: before 1.2.4-1

gupnp: before 1.2.4-1

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1768

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. However, proof of concept for this vulnerability is available.