CVE-2018-17962: Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used

High severity · published Oct 9, 2018

CVE-2018-17962

Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used

7.5

CVSS

4.5%

EPSS

On KEV

Description

Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)4.5% · higher than 91% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 9.0 · source: NVD

Linux · Oracle

7 · source: NVD

Linux Enterprise Server · Suse

11; 11; 12; 15 · source: NVD

Qemu · Qemu

2.1.0; 2.8.0; 2.12.0 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04; 18.04; 18.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-17962

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-17962

Mailing List

http://www.openwall.com/lists/oss-security/2018/10/08/1

access.redhat.com

https://access.redhat.com/errata/RHSA-2019:2892

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/msg03268.html

Third Party Advisory

https://usn.ubuntu.com/3826-1/

Third Party Advisory

https://www.debian.org/security/2018/dsa-4338