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

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.

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

HIGH · CVSS 7.5 EPSS 0.00888
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

5
qemu<= 3.0.1
canonical ubuntu linuxall versions
debian linuxall versions
redhat virtualizationall versions
redhat virtualization managerall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Oct 2018 · 10:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

16
rhsaRHSA-2019:2553Moderate
suse-csafSUSE-SU-2018:3973-2
suse-csafSUSE-SU-2019:14011-1
suse-csafSUSE-SU-2019:0825-1
suse-csafSUSE-SU-2019:0827-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/105556Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.htmlMailing ListPatchThird Party Advisory
https://seclists.org/bugtraq/2019/May/76Mailing ListThird Party Advisory
https://usn.ubuntu.com/3826-1/Third Party Advisory
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