Home/CVE/m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.
CVE

CVE-2018-11806

m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.

m_cat in slirp/mbuf.c in Qemu has a heap-based buffer overflow via incoming fragmented datagrams.

HIGH · CVSS 8.2 EPSS 0.00054
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

11
qemu<= 2.12.1
canonical ubuntu linuxall versions
redhat openstackall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server tusall 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

8.2
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 NVD13 Jun 2018 · 04:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

22
suse-csafopenSUSE-SU-2024:11287-1
rhsaRHSA-2019:2892Low
usnUSN-3826-1
suse-csafSUSE-SU-2018:3555-1
suse-csafSUSE-SU-2018:2081-2
🔗

References & Sources

9
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/2018/06/07/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/104400Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1586245Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00010.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg01012.htmlMailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/May/76Mailing ListThird Party Advisory
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