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CVE-2018-12617 Detail

Description

qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 has an integer overflow causing a g_malloc0() call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/104531 Third Party Advisory  VDB Entry 
https://gist.github.com/fakhrizulkifli/c7740d28efa07dafee66d4da5d857ef6 Exploit  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/02/msg00041.html Mailing List  Third Party Advisory 
https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg03385.html Mailing List  Patch  Third Party Advisory 
https://seclists.org/bugtraq/2019/May/76 Mailing List  Third Party Advisory 
https://usn.ubuntu.com/3826-1/ Third Party Advisory 
https://www.debian.org/security/2019/dsa-4454 Third Party Advisory 
https://www.exploit-db.com/exploits/44925/ Exploit  Third Party Advisory  VDB Entry 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12617
NVD Published Date:
06/21/2018
NVD Last Modified:
11/19/2020
Source:
MITRE