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Directory Traversal Affecting kernel-tools-libs-devel package, versions *

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.2% (59th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELTOOLSLIBSDEVEL-2022997
  • published 26 Jul 2021
  • disclosed 19 Jan 2021
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Introduced: 19 Jan 2021

CVE-2021-3178 Open this link in a new tab
CWE-22 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 kernel-tools-libs-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    None
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Red Hat

5.7 medium