SB2022110421 - Stack-based buffer overflow in Dell EMC Isilon OneFS

Description

This security bulletin contains information about 1 security vulnerability.

1) Stack-based buffer overflow (CVE-ID: CVE-2019-0053)

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

The vulnerability exists due to insufficient validation of environment variables when connecting via the telnet client to remote telnet servers. A local authenticated attacker can trigger stack-based buffer overflow, bypass veriexec restrictions and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability only affects the telnet client - accessible from the CLI or shel.

Remediation

Install update from vendor's website.

References

• https://www.dell.com/support/kbdoc/en-us/000153846/dsa-2019-151-dell-emc-isilon-onefs-security-update-for-telnet-vulnerability