Vulnerability identifier: #VU47486

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14355

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SPICE
Universal components / Libraries / Software for developers

Vendor: SPICE

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the QUIC image decoding process of the SPICE remote display system. A remote user can pass specially crafted data to the server or client application, trigger memory corruption in the QUIC image compression algorithm and crash the application or execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SPICE: 0.5.2 - 0.14.2

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=1868435
http://www.openwall.com/lists/oss-security/2020/10/06/10

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.