National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-7039 Detail

Current Description

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 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
http://www.openwall.com/lists/oss-security/2020/01/16/2 Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0348
https://access.redhat.com/errata/RHSA-2020:0775
https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html
https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html
https://seclists.org/bugtraq/2020/Feb/0
https://security.gentoo.org/glsa/202005-02
https://usn.ubuntu.com/4283-1/
https://www.debian.org/security/2020/dsa-4616

Weakness Enumeration

CWE-ID CWE Name Source
CWE-787 Out-of-bounds Write NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-7039
NVD Published Date:
01/16/2020
NVD Last Modified:
01/26/2020