QID 670879

QID 670879: EulerOS Security Update for screen (EulerOS-SA-2021-1888)

The screen utility allows you to have multiple logins on just one terminal. Screen is useful for users who telnet into a machine or are connected via a dumb terminal, but want to use more than just one login. Install the screen package if you need a screen manager that can support multiple logins on one terminal. Security Fix(es): encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.(CVE-2021-26937)
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 Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

The Vendor has released a security update to fix the vulnerability. For more information please visit EulerOS-SA-2021-1888 for updates and patch information

Vendor References

EulerOS-SA-2021-1888 - developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-1888

CVEs related to QID 670879

CVE-2021-26937 |

Software Advisories

Advisory ID	Software	Component	Link
EulerOS-SA-2021-1888	EulerOS V2.0SP8		developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-1888

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