QID 670987

Date Published: 2021-11-24

QID 670987: EulerOS Security Update for usbredir (EulerOS-SA-2021-2648)

The usbredir libraries allow USB devices to be used on remote and/or virtual hosts over TCP. The following libraries are provided: usbredirparser: A library containing the parser for the usbredir protocol usbredirhost: A library implementing the USB host side of a usbredir connection. All that an application wishing to implement a USB host needs to do is: * Provide a libusb device handle for the device * Provide write and read callbacks for the actual transport of usbredir data * Monitor for usbredir and libusb read/write events and call their handlers Security Fix(es): usbredir: use-after-free in usbredirparser_serialize() in usbredirparser/usbredirparser.c(CVE-2021-3700)
Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

An arbitrary attacker may exploit this vulnerability to compromise the system.

CVSS V3 rated as Medium - 4.2 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-2648 for updates and patch information

Vendor References

EulerOS-SA-2021-2648 - developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2648

CVEs related to QID 670987

CVE-2021-3700 |

Software Advisories

Advisory ID	Software	Component	Link
EulerOS-SA-2021-2648	EulerOS V2.0SP8		developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-2648

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