SB2019082928 - Multiple vulnerabilities in rutantan zephyr

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2017-14201)

The vulnerability allows a local authenticated user to execute arbitrary code.

Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.

2) Buffer overflow (CVE-ID: CVE-2017-14202)

The vulnerability allows a local authenticated user to execute arbitrary code.

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the shell component of Zephyr allows a serial or telnet connected user to cause a crash, possibly with arbitrary code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.

Remediation

Install update from vendor's website.

References

• https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html
• https://github.com/zephyrproject-rtos/zephyr/pull/13260
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-17
• https://github.com/zephyrproject-rtos/zephyr/pull/13048
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-18