SB2019080806 - Red Hat update for qemu-kvm-ma

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2019080806

SB2019080806 - Red Hat update for qemu-kvm-ma

Published: August 8, 2019

Security Bulletin ID SB2019080806
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2018-17963)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to buffer overflow when qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX. A remote attacker can supply specially crafted packets over the network, trigger memory corruption and crash the Qemu process.


2) Buffer overflow (CVE-ID: CVE-2019-6501)

The vulnerability allows a local user to perform denial of service attack.

The vulnerability exists due to a boundary error within the scsi_handle_inquiry_reply in hw/scsi/scsi-generic.c. A local user can create a specially crafted application, trigger buffer overflow and crash the affected emulator.


Remediation

Install update from vendor's website.

References