CVE-2020-7039

Summary

CVECVE-2020-7039
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-16 23:15:00 UTC
Updated2021-02-14 03:50:00 UTC
Descriptiontcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Libslirp Project Libslirp 4.1.0 All All All
Application Libslirp Project Libslirp 4.1.0 All All All
Operating System Opensuse Leap 15.1 All All All
Operating System Opensuse Leap 15.1 All All All
Application Qemu Qemu 4.2.0 All All All
Application Qemu Qemu 4.2.0 All All All

References

ReferenceSourceLinkTags
slirp: use correct size while emulating IRC commands (ce131029) · Commits · slirp / libslirp · GitLab MISC gitlab.freedesktop.org Patch, Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 202005-02) — Gentoo security GENTOO security.gentoo.org Third Party Advisory
Bugtraq: [SECURITY] [DSA 4616-1] qemu security update BUGTRAQ seclists.org Mailing List, Third Party Advisory
[SECURITY] [DLA 2076-1] slirp security update MLIST lists.debian.org Mailing List, Third Party Advisory
USN-4283-1: QEMU vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
[SECURITY] [DLA 2551-1] slirp security update MLIST lists.debian.org Mailing List, Third Party Advisory
tcp_emu: Fix oob access (2655fffe) · Commits · slirp / libslirp · GitLab MISC gitlab.freedesktop.org Patch, Third Party Advisory
oss-security - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() CONFIRM www.openwall.com Mailing List, Patch, Third Party Advisory
Debian -- Security Information -- DSA-4616-1 qemu DEBIAN www.debian.org Third Party Advisory
[SECURITY] [DLA 2090-1] qemu security update MLIST lists.debian.org Mailing List, Third Party Advisory
slirp: use correct size while emulating commands (82ebe9c3) · Commits · slirp / libslirp · GitLab MISC gitlab.freedesktop.org Patch, Third Party Advisory
[security-announce] openSUSE-SU-2020:0468-1: important: Security update SUSE lists.opensuse.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 377167 Alibaba Cloud Linux Security Update for qemu-kvm (ALINUX2-SA-2020:0072)
  • 377335 Alibaba Cloud Linux Security Update for container-tools:rhel8 (ALINUX3-SA-2022:0110)
  • 377413 Alibaba Cloud Linux Security Update for virt:rhel and virt-devel:rhel (ALINUX3-SA-2022:0119)
  • 900050 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
  • 903446 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (3579)
  • 906000 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (3579-1)
  • 940144 AlmaLinux Security Update for virt:rhel (ALSA-2020:1358)
  • 940554 AlmaLinux Security Update for container-tools:1.0 (ALSA-2020:1360)
  • 940555 AlmaLinux Security Update for container-tools:rhel8 (ALSA-2020:0348)
  • 960718 Rocky Linux Security Update for virt:rhel (RLSA-2020:1358)
  • 960729 Rocky Linux Security Update for container-tools:rhel8 (RLSA-2020:0348)
  • 960813 Rocky Linux Security Update for container-tools:1.0 (RLSA-2020:1360)
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