SB2017101636 - Privilege escalation in QEMU

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Main Vulnerability Database SB2017101636

SB2017101636 - Privilege escalation in QEMU

Published: October 16, 2017 Updated: August 20, 2023

Security Bulletin ID SB2017101636
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2015-7504)

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to a boundary error in the pcnet_receive() function in hw/net/pcnet.c in QEMU. A malicious guest can use a series of packets in loopback mode to trigger a heap-based buffer overflow and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References