Home/CVE/In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.
CVE

CVE-2019-6778

In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.

In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.

HIGH · CVSS 7.8 EPSS 0.00081
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

4
qemuall versions
opensuse leapall versions
fedoraproject fedoraall versions
canonical ubuntu linuxall versions
◈

Sigma Hunt Rules

1
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
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · 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 NVD21 Mar 2019 · 04:01 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2024:11287-1
suse-csafopenSUSE-SU-2024:11387-1
suse-csafSUSE-SU-2021:14706-1
suse-csafSUSE-SU-2020:14396-1
suse-csafSUSE-SU-2020:1538-1
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00073.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
http://www.openwall.com/lists/oss-security/2019/01/24/5Mailing ListPatchThird Party Advisory
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