Denial of service in vm-memory crate

1) Buffer overflow

EUVDB-ID: #VU81461

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-2020-13759

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the read_obj() and write_obj() functions. A remote attacker can trigger memory corruption and perform a denial of service attack (loss of IP connectivity).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vm-memory: 0.1.0 - 0.2.0

External links

http://github.com/rust-vmm/vm-memory/issues/93
http://github.com/rust-vmm/vm-memory/releases/tag/v0.1.1
http://github.com/rust-vmm/vm-memory/releases/tag/v0.2.1

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.