Security Bulletin: Multiple Vulnerabilities in base image packages

Summary

Security Vulnerabilities in base image packages affect IBM Voice Gateway.

Vulnerability Details

CVEID:CVE-2022-2526
**DESCRIPTION:**systemd could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw due to the on_stream_io() function and dns_stream_complete() function in “resolved-dns-stream.c” not incrementing the reference counting for the DnsStream object. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/235161 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2022-1271
**DESCRIPTION:**GNU gzip could allow a remote authenticated attacker to bypass security restrictions, caused by improper validation of file name by the zgrep utility. By using a specially-crafted file name, an attacker could exploit this vulnerability to write arbitrary files on the system.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/223754 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

Upgrade to the following IBM Voice Gateway 1.0.8.x images

ibmcom/voice-gateway-mr:1.0.8.3
ibmcom/voice-gateway-so:1.0.8.3

Workarounds and Mitigations

None