Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-15863 First vendor Publication 2020-07-28
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 3.7 Temporal Score 5.3
Exploitabality Sub Score 1.1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Changed Confidentiality Impact Low
Integrity Impact Low Availability Impact Low
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15863

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 194
Os 3
Os 1

Sources (Detail)

https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca053...
Source Url
CONFIRM http://www.openwall.com/lists/oss-security/2020/07/22/1
DEBIAN https://www.debian.org/security/2020/dsa-4760
GENTOO https://security.gentoo.org/glsa/202208-27
MISC https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
UBUNTU https://usn.ubuntu.com/4467-1/

Alert History

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Date Informations
2024-02-02 02:13:44
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2022-10-11 12:56:46
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2020-12-05 01:29:52
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2020-11-14 01:29:06
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2020-11-03 12:28:18
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2020-10-24 01:28:25
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2020-10-15 21:23:07
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2020-09-10 21:23:12
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2020-09-09 09:22:44
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2020-09-08 17:22:54
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2020-09-07 17:22:48
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2020-09-02 17:23:12
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2020-07-29 21:23:17
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2020-07-28 21:23:02
  • First insertion