Vulnerability · Published Nov 26, 2020 · Assigned by mitre
CVE-2020-29129
Medium 4.3
In plain English
A medium-severity security flaw in the hivex package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.5%top 26.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | hivex-devel | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libguestfs-winsupport | 8.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libguestfs-winsupport | 8.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-devel | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | libiscsi-utils | 1.18.0-8.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libnbd | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libnbd-devel | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libnbd-devel | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | libvirt-dbus | 1.3.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdfuse | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | nbdfuse | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-bash-completion | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-basic-filters | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-basic-plugins | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-curl-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-devel | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-example-plugins | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-gzip-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-linuxdisk-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-python-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-server | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-ssh-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-vddk-plugin | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | nbdkit-xz-filter | 1.16.2-4.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-devel | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | netcf-libs | 0.2.8-12.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-hivex-devel | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-libguestfs | 1:1.40.2-27.module_el8.4.0+2358+630e803b.alma | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-libguestfs-devel | 1:1.40.2-27.module_el8.4.0+2358+630e803b.alma | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | ocaml-libnbd-devel | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | perl-Sys-Virt | 6.0.0-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | perl-Sys-Virt | 6.0.0-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | perl-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | python3-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | python3-libnbd | 1.2.2-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | python3-libnbd | 1.2.2-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | python3-libvirt | 6.0.0-1.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | python3-libvirt | 6.0.0-1.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | ruby-hivex | 1.3.18-20.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | seabios | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | seabios-bin | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | seavgabios-bin | 1.13.0-2.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | sgabios | 1:0.20170427git-3.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | sgabios | 1:0.20170427git-3.module_el8.3.0+2048+e7a0a3ea | ALSA-2021:1762 |
| AlmaLinux:8 | sgabios-bin | 1:0.20170427git-3.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | sgabios-bin | 1:0.20170427git-3.module_el8.6.0+2880+7d9e3703 | ALSA-2021:1762 |
| AlmaLinux:8 | supermin | 5.1.19-10.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| AlmaLinux:8 | supermin-devel | 5.1.19-10.module_el8.5.0+2608+72063365 | ALSA-2021:1762 |
| Alpine:v3.20 | libslirp | 4.4.0-r0 | ALPINE-CVE-2020-29129 |
| Alpine:v3.21 | libslirp | 4.4.0-r0 | ALPINE-CVE-2020-29129 |
| Alpine:v3.22 | libslirp | 4.4.0-r0 | ALPINE-CVE-2020-29129 |
| Alpine:v3.23 | libslirp | 4.4.0-r0 | ALPINE-CVE-2020-29129 |
| Alpine:v3.24 | libslirp | 4.4.0-r0 | ALPINE-CVE-2020-29129 |
| Debian:12 | libslirp | 4.4.0-1 | DEBIAN-CVE-2020-29129 |
| Debian:13 | libslirp | 4.4.0-1 | DEBIAN-CVE-2020-29129 |
| Debian:14 | libslirp | 4.4.0-1 | DEBIAN-CVE-2020-29129 |
| Debian:12 | qemu | 1:4.1-2 | DEBIAN-CVE-2020-29129 |
| Debian:13 | qemu | 1:4.1-2 | DEBIAN-CVE-2020-29129 |
| Debian:14 | qemu | 1:4.1-2 | DEBIAN-CVE-2020-29129 |
| Rocky Linux:8 | hivex | 0:1.3.18-20.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libguestfs | 1:1.40.2-27.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libguestfs-winsupport | 0:8.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.6.0+847+b490afdd | RLSA-2021:1762 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.7.0+1084+97b81f61 | RLSA-2021:1762 |
| Rocky Linux:8 | libiscsi | 0:1.18.0-8.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libnbd | 0:1.2.2-1.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libvirt | 0:6.0.0-35.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.7.0+1084+97b81f61 | RLSA-2021:1762 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | libvirt-dbus | 0:1.3.0-2.module+el8.6.0+847+b490afdd | RLSA-2021:1762 |
| Rocky Linux:8 | libvirt-python | 0:6.0.0-1.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | nbdkit | 0:1.16.2-4.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.7.0+1084+97b81f61 | RLSA-2021:1762 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | netcf | 0:0.2.8-12.module+el8.6.0+847+b490afdd | RLSA-2021:1762 |
| Rocky Linux:8 | perl-Sys-Virt | 0:6.0.0-1.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | qemu-kvm | 5:4.2.0-48.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | seabios | 0:1.13.0-2.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.7.0+1084+97b81f61 | RLSA-2021:1762 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
| Rocky Linux:8 | sgabios | 1:0.20170427git-3.module+el8.6.0+847+b490afdd | RLSA-2021:1762 |
| Rocky Linux:8 | supermin | 0:5.1.19-10.module+el8.4.0+534+4680a14e | RLSA-2021:1762 |
Affected products (as reported)
References
- https://lists.freedesktop.org/archives/slirp/2020-November/000115.html x_refsource_MISC
- [oss-security] 20201127 CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets mailing-list, x_refsource_MLIST
- FEDORA-2020-77f93f41be vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-331e1318dd vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update mailing-list, x_refsource_MLIST