CVE-2019-14378 Information
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.
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Reference
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@lists.fedoraproject.org/message/UPLHB2AN663OXAWUQURF7J2X5LHD4VD3/ https://news.ycombinator.com/item?id=20799010 https://seclists.org/bugtraq/2019/Aug/41 https://seclists.org/bugtraq/2019/Sep/3 https://support.f5.com/csp/article/K25423748 https://support.f5.com/csp/article/K25423748?utm_source=f5support&utm_medium=RSS https://usn.ubuntu.com/4191-1/ https://usn.ubuntu.com/4191-2/ https://www.debian.org/security/2019/dsa-4506 https://www.debian.org/security/2019/dsa-4512
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
8.8
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