CVE-2019-14378 EXPLOIT
8.8
HIGH · CVSS 3.0 · EPSS 16.7% (pctl 97)
Patch early
A public exploit exists.
Description
ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a case involving the first fragment.
Scoring
| CVSS | 8.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 16.66% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-755 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-07-29 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| libslirp project | libslirp |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | QEMU - Denial of Service | 2019-08-20 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html
- http://packetstormsecurity.com/files/154269/QEMU-Denial-Of-Service.html
- http://www.openwall.com/lists/oss-security/2019/08/01/2
- https://access.redhat.com/errata/RHSA-2019:3179
- https://access.redhat.com/errata/RHSA-2019:3403
- https://access.redhat.com/errata/RHSA-2019:3494
- https://access.redhat.com/errata/RHSA-2019:3742
- https://access.redhat.com/errata/RHSA-2019:3787
- https://access.redhat.com/errata/RHSA-2019:3968
- https://access.redhat.com/errata/RHSA-2019:4344
- https://access.redhat.com/errata/RHSA-2020:0366
- https://access.redhat.com/errata/RHSA-2020:0775
- https://blog.bi0s.in/2019/08/24/Pwn/VM-Escape/2019-07-29-qemu-vm-escape-cve-2019-14378/
- https://gitlab.freedesktop.org/slirp/libslirp/commit/126c04acbabd7ad32c2b018fe10dfac2a3bc1210
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPLHB2AN663OXAWUQURF7J2X5LHD4VD3/
- https://news.ycombinator.com/item?id=20799010
- https://seclists.org/bugtraq/2019/Aug/41
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