Impact: Important Public Date: 2019-07-28 CWE: CWE-122 Bugzilla: 1734745: CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the ip_reass() routine while reassembling incoming packets if the first fragment is bigger than the m->m_dat[] buffer. An attacker could use this flaw to crash the QEMU process on the host, resulting in a Denial of Service or potentially executing arbitrary code with privileges of the QEMU process.
Find out more about CVE-2019-14378 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform 9.0 | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 8.0 (Liberty) | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 14.0 (Rocky) | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 13.0 (Queens) | qemu-kvm-rhev | Affected |
| Red Hat OpenStack Platform 10 | qemu-kvm-rhev | Affected |
| Red Hat Enterprise Linux 8 | qemu-kvm | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm | Affected |
| Red Hat Enterprise Linux 7 | qemu-kvm-ma | Affected |
| Red Hat Enterprise Linux 6 | qemu-kvm | Affected |
| Red Hat Enterprise Linux 5 | kvm | Out of support scope |
| Red Hat Enterprise Linux 5 | xen | Not affected |
Vulmon