Buffer Overflow Affecting qemu package, versions <2.0.0+dfsg-2ubuntu1.21


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    3.22% (92nd percentile)

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  • Snyk ID SNYK-UBUNTU1404-QEMU-427329
  • published 8 Jan 2016
  • disclosed 8 Jan 2016

How to fix?

Upgrade Ubuntu:14.04 qemu to version 2.0.0+dfsg-2ubuntu1.21 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

CVSS Scores

version 3.1
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NVD

9 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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Red Hat

8.1 high