CVE-2020-7039
QEMU libslirp Memory Management Vulnerability
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.
INFO
Published Date :
Jan. 16, 2020, 11:15 p.m.
Last Modified :
Feb. 14, 2021, 3:50 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.4
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2020-7039
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-7039.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7039 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7039 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 14, 2021
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 10, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html [No Types Assigned] -
Modified Analysis by [email protected]
Jul. 17, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0348 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0348 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2020:0775 No Types Assigned https://access.redhat.com/errata/RHSA-2020:0775 Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html Mailing List, Third Party Advisory Changed Reference Type https://seclists.org/bugtraq/2020/Feb/0 No Types Assigned https://seclists.org/bugtraq/2020/Feb/0 Mailing List, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202005-02 No Types Assigned https://security.gentoo.org/glsa/202005-02 Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4283-1/ No Types Assigned https://usn.ubuntu.com/4283-1/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2020/dsa-4616 No Types Assigned https://www.debian.org/security/2020/dsa-4616 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 13, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202005-02 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 07, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 11, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0775 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 24, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4283-1/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 04, 2020
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2020:0348 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 03, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4616 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 03, 2020
Action Type Old Value New Value Added Reference https://seclists.org/bugtraq/2020/Feb/0 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 31, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 27, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 24, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2020/01/16/2 No Types Assigned http://www.openwall.com/lists/oss-security/2020/01/16/2 Mailing List, Patch, Third Party Advisory Changed Reference Type https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 No Types Assigned https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 Patch, Third Party Advisory Changed Reference Type https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 No Types Assigned https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 Patch, Third Party Advisory Changed Reference Type https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 No Types Assigned https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 Patch, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7039 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-7039
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.36 }} 0.02%
score
0.69164
percentile