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    CVE-2019-14378

    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.

    Published:Jul 28, 2019
    Last Modified:Nov 21, 2024
    EPS:Jul 29, 2019
    EPSS Score:0.09093
    CVSS Score:8.8

    Affected Products

    Vendor
    Libslirp Project
    Product
    Libslirp
    Vendor
    Redhat
    Product
    Advanced Virtualization
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Extras Other
    Vendor
    Redhat
    Product
    Rhev Manager

    Exploits

    https://www.exploit-db.com/exploits/47320

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2021-3595 (CVSS 3.8) — An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exi…
    CVE-2021-3594 (CVSS 3.8) — An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exi…
    CVE-2021-3592 (CVSS 3.8) — An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exi…
    CVE-2021-3593 (CVSS 3.8) — An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exi…
    CVE-2020-29130 (CVSS 4.3) — slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header d…
    CVE-2020-29129 (CVSS 4.3) — ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header da…
    CVE-2020-10756 (CVSS 6.5) — An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. Thi…
    CVE-2020-1983 (CVSS 7.5) — A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted…
    CVE-2020-8608 (CVSS 5.6) — In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overf…
    CVE-2020-7039 (CVSS 5.6) — tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC …

    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
    https://seclists.org/bugtraq/2019/Sep/3
    https://support.f5.com/csp/article/K25423748
    https://support.f5.com/csp/article/K25423748?utm_source=f5support&amp%3Butm_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
    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
    https://seclists.org/bugtraq/2019/Sep/3
    https://support.f5.com/csp/article/K25423748
    https://support.f5.com/csp/article/K25423748?utm_source=f5support&amp%3Butm_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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High