CVE-2021-3178 (Medium) detected in linuxlinux-4.19.237

[mend-bolt-for-github[bot]]

CVE-2021-3178 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.237

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 10c7b674d65d46240997df9855fe104bdf05229c

Found in base branch: master

Vulnerable Source Files (1)

/fs/nfsd/nfs3xdr.c

Vulnerability Details

** DISPUTED ** fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack; see also the exports(5) no_subtree_check default behavior.

Publish Date: 2021-01-19

URL: CVE-2021-3178

CVSS 3 Score Details (6.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: High - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2021-3178

Release Date: 2021-01-19

Fix Resolution: linux-libc-headers - 5.13;linux-yocto - 5.4.20+gitAUTOINC+c11911d4d1_f4d7dbafb1,4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68

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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.