CVE-2020-1983medium
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.
References
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04
https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
Details
Source: MITRE
Published: 2020-04-22
Updated: 2020-07-26
Type: CWE-416
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:* versions up to 4.2.0 (inclusive)
Configuration 2
OR
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 150615 | SUSE SLES11 Security Update : kvm (SUSE-SU-2020:14396-1) | Nessus | SuSE Local Security Checks | medium |
| 147882 | RHEL 7 : qemu-kvm-rhev (RHSA-2021:0934) | Nessus | Red Hat Local Security Checks | medium |
| 147700 | EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2021-1667) | Nessus | Huawei Local Security Checks | medium |
| 147523 | EulerOS Virtualization 2.9.1 : qemu (EulerOS-SA-2021-1632) | Nessus | Huawei Local Security Checks | medium |
| 146316 | RHEL 7 : qemu-kvm-rhev (RHSA-2021:0459) | Nessus | Red Hat Local Security Checks | medium |
| 146080 | RHEL 7 : qemu-kvm-ma (RHSA-2021:0346) | Nessus | Red Hat Local Security Checks | medium |
| 146032 | CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2020:4676) | Nessus | CentOS Local Security Checks | high |
| 143069 | RHEL 7 : qemu-kvm (RHSA-2020:4079) | Nessus | Red Hat Local Security Checks | medium |
| 142974 | Amazon Linux AMI : qemu-img (ALAS-2020-1449) | Nessus | Amazon Linux Local Security Checks | high |
| 142608 | CentOS 7 : qemu-kvm (CESA-2020:4079) | Nessus | CentOS Local Security Checks | medium |
| 142449 | RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2020:4676) | Nessus | Red Hat Local Security Checks | high |
| 141767 | Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20201001) | Nessus | Scientific Linux Local Security Checks | medium |
| 141627 | RHEL 8 : virt:8.1 and virt-devel:8.1 (RHSA-2020:4290) | Nessus | Red Hat Local Security Checks | medium |
| 141313 | Oracle Linux 7 : qemu-kvm (ELSA-2020-4079) | Nessus | Oracle Linux Local Security Checks | medium |
| 140317 | EulerOS Virtualization for ARM 64 3.0.2.0 : qemu-kvm (EulerOS-SA-2020-1947) | Nessus | Huawei Local Security Checks | medium |
| 140197 | Amazon Linux 2 : ivshmem-tools (ALAS-2020-1485) | Nessus | Amazon Linux Local Security Checks | medium |
| 140017 | EulerOS Virtualization for ARM 64 3.0.6.0 : qemu-kvm (EulerOS-SA-2020-1914) | Nessus | Huawei Local Security Checks | medium |
| 139396 | Oracle Linux 8 : container-tools:ol8 (ELSA-2020-3053) | Nessus | Oracle Linux Local Security Checks | medium |
| 138911 | Debian DLA-2288-1 : qemu security update | Nessus | Debian Local Security Checks | medium |
| 138804 | RHEL 8 : container-tools:rhel8 (RHSA-2020:3053) | Nessus | Red Hat Local Security Checks | medium |
| 137887 | Debian DLA-2262-1 : qemu security update | Nessus | Debian Local Security Checks | medium |
| 137586 | SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1538-1) | Nessus | SuSE Local Security Checks | medium |
| 137581 | SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1526-1) | Nessus | SuSE Local Security Checks | medium |
| 137579 | SUSE SLES15 Security Update : qemu (SUSE-SU-2020:1523-1) | Nessus | SuSE Local Security Checks | medium |
| 137578 | SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1516-1) | Nessus | SuSE Local Security Checks | medium |
| 137577 | SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1514-1) | Nessus | SuSE Local Security Checks | medium |
| 137550 | SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2020:1502-1) | Nessus | SuSE Local Security Checks | medium |
| 137549 | SUSE SLES12 Security Update : qemu (SUSE-SU-2020:1501-1) | Nessus | SuSE Local Security Checks | medium |
| 137131 | openSUSE Security Update : qemu (openSUSE-2020-756) | Nessus | SuSE Local Security Checks | medium |
| 136803 | Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : QEMU vulnerabilities (USN-4372-1) | Nessus | Ubuntu Local Security Checks | medium |
| 136467 | SUSE SLES15 Security Update : slirp4netns (SUSE-SU-2020:1197-1) | Nessus | SuSE Local Security Checks | medium |
| 136459 | openSUSE Security Update : slirp4netns (openSUSE-2020-636) | Nessus | SuSE Local Security Checks | medium |
| 136432 | Fedora 31 : libslirp (2020-1608d52724) | Nessus | Fedora Local Security Checks | medium |
| 136069 | Debian DSA-4665-1 : qemu - security update | Nessus | Debian Local Security Checks | medium |