CVE-2020-26088 : A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the L

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.

Published 2020-09-24 15:15:15

Updated 2022-04-27 18:48:31

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-26088

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions before (<) 5.8.2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.2
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-26088

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-26088

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:N/I:P/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2020-26088

CWE-276 Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-26088

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html

[security-announce] openSUSE-SU-2020:1586-1: important: Security update
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html

[SECURITY] [DLA 2420-2] linux regression update
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html

Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041

net/nfc/rawsock.c: add CAP_NET_RAW check. · torvalds/linux@26896f0 · GitHub
Patch;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html

[SECURITY] [DLA 2385-1] linux-4.19 security update
Third Party Advisory

CVEs referencing this url
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2

Patch;Release Notes;Vendor Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html

[SECURITY] [DLA 2420-1] linux security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4578-1/

USN-4578-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu
Patch;Third Party Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2020-26088

Products affected by CVE-2020-26088

Exploit prediction scoring system (EPSS) score for CVE-2020-26088

CVSS scores for CVE-2020-26088

CWE ids for CVE-2020-26088

References for CVE-2020-26088