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Execution with Unnecessary Privileges Affecting bpftool package, versions <0:4.18.0-193.el8

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.08% (36th percentile)

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  • Snyk ID SNYK-CENTOS8-BPFTOOL-2038564
  • published 26 Jul 2021
  • disclosed 20 Sep 2019
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Introduced: 20 Sep 2019

CVE-2019-17055 Open this link in a new tab
CWE-250 Open this link in a new tab

How to fix?

Upgrade Centos:8 bpftool to version 0:4.18.0-193.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module in the Linux kernel through 5.3.2 does not enforce CAP_NET_RAW, which means that unprivileged users can create a raw socket, aka CID-b91ee4aa2a21.

References

CVSS Scores

version 3.1
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NVD

3.3 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
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SUSE

4 medium