Medium severity · published Oct 16, 2018
CVE-2018-10839
Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue
6.5
CVSS
3.1%
EPSS
No
On KEV
Description
Qemu emulator <= 3.0.0 built with the NE2000 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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
QE
Qemu · Qemu
through 3.0.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-10839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-10839
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:2892
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10839
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Exploit
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03273.html
Patch
https://usn.ubuntu.com/3826-1/
Vendor Advisory
https://www.debian.org/security/2018/dsa-4338
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