Bug 1636712 (CVE-2018-17958) - CVE-2018-17958 QEMU: rtl8139: integer overflow leads to buffer overflow
Summary: CVE-2018-17958 QEMU: rtl8139: integer overflow leads to buffer overflow
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-17958
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1636726 1636727 1636728 1636729 1636730 1636731 1636732 1636733 1636734 1636735 1636736 1636738 1636780
Blocks: 1581014
TreeView+ depends on / blocked
 
Reported: 2018-10-07 07:06 UTC by Prasad Pandit
Modified: 2021-02-16 22:58 UTC (History)
35 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2019-08-09 01:18:18 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2019:2513 0 None None None 2019-08-15 18:37:32 UTC
Red Hat Product Errata RHSA-2019:2425 0 None None None 2019-08-09 00:48:28 UTC
Red Hat Product Errata RHSA-2019:2553 0 None None None 2019-08-22 09:18:27 UTC

Description Prasad Pandit 2018-10-07 07:06:17 UTC 
Qemu emulator built with the RTL8139 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network.

A user inside guest could use this flaw to crash the Qemu process resulting in DoS.

Upstream fix:
-------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html

Reference:
----------
  -> https://www.openwall.com/lists/oss-security/2018/10/08/1
Comment 1 Prasad Pandit 2018-10-07 07:06:41 UTC 
Acknowledgments:

Name: Daniel Shapira (Twistlock), Arash Tohidi
Comment 2 Prasad Pandit 2018-10-07 09:30:05 UTC 
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1636729]


Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1636730]
Comment 7 errata-xmlrpc 2019-08-09 00:48:26 UTC 
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 10.0 (Newton)
  Red Hat OpenStack Platform 13.0 (Queens)
  Red Hat OpenStack Platform 14.0 (Rocky)

Via RHSA-2019:2425 https://access.redhat.com/errata/RHSA-2019:2425
Comment 8 Product Security DevOps Team 2019-08-09 01:18:18 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-17958
Comment 9 errata-xmlrpc 2019-08-22 09:18:25 UTC 
This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
  Red Hat Virtualization Engine 4.3

Via RHSA-2019:2553 https://access.redhat.com/errata/RHSA-2019:2553
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