5.6
MEDIUM
CVE-2020-13765
QEMU Invalid Memory Copy Vulnerability
Description

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

INFO

Published Date :

June 4, 2020, 4:15 p.m.

Last Modified :

Nov. 7, 2023, 3:16 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.4

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2020-13765 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.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Qemu qemu
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-2020-13765.

URL Resource
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20200619-0006/ Third Party Advisory
https://usn.ubuntu.com/4467-1/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/06/03/6 Mailing List Third Party Advisory

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-2020-13765 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13765 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319 [No types assigned]
    Removed Reference MITRE https://git.qemu.org/?p=qemu.git;a=commit;h=e423455c4f23a1a828901c78fe6d03b7dde79319
  • Modified Analysis by [email protected]

    Oct. 07, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676 No Types Assigned https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676 Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4467-1/ No Types Assigned https://usn.ubuntu.com/4467-1/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:* OR *cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 04, 2021

    Action Type Old Value New Value
    Changed Description rom_copy() in hw/core/loader.c in QEMU 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation. rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.
    Added Reference https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 26, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4467-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 26, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 29, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 19, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:L/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:L/AC:L/PR:L/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 https://security.netapp.com/advisory/ntap-20200619-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20200619-0006/ Third Party Advisory
    Removed CWE NIST CWE-119
    Added CWE NIST CWE-787
  • CVE Modified by [email protected]

    Jun. 19, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20200619-0006/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 10, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.qemu.org/?p=qemu.git;a=commit;h=e423455c4f23a1a828901c78fe6d03b7dde79319 No Types Assigned https://git.qemu.org/?p=qemu.git;a=commit;h=e423455c4f23a1a828901c78fe6d03b7dde79319 Patch, Vendor Advisory
    Changed Reference Type https://www.openwall.com/lists/oss-security/2020/06/03/6 No Types Assigned https://www.openwall.com/lists/oss-security/2020/06/03/6 Mailing List, Third Party Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-13765 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-2020-13765 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.74 }} 0.21%

score

0.81175

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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