CVE-2018-17958: Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used

High severity · published Oct 9, 2018

CVE-2018-17958

Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used

7.5

CVSS

6.3%

EPSS

On KEV

Description

Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.

CVSS vector

CVSS:3.1/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)6.3% · higher than 94% 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

Qemu · Qemu

through 3.0.1 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04; 18.04; 18.10 · source: NVD

Virtualization · Redhat

4.0 · source: NVD

Virtualization Manager · Redhat

4.3 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-17958

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-17958

Mailing List

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

Third Party Advisory

http://www.securityfocus.com/bid/105556

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2425

Third Party Advisory

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

Mailing List

https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html

Mailing List

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