Missing Authentication for Critical Function Affecting systemd-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.14% (50th percentile)

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  • Snyk ID SNYK-RHEL7-SYSTEMDDEVEL-1393297
  • published 26 Jul 2021
  • disclosed 26 Apr 2021

How to fix?

There is no fixed version for RHEL:7 systemd-devel.

NVD Description

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

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

CVSS Scores

version 3.1
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NVD

6.1 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

6.1 medium
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SUSE

6.1 medium