Riskcovery

CVE-2022-22236

Junos OS: SRX Series and MX Series: When specific valid SIP packets are received the PFE will crash

State
Published
Severity
7.5 High
Published
Oct 18, 2022
Updated
May 10, 2025
Reserved
Dec 21, 2021

Read the record on cve.org

Description

An Access of Uninitialized Pointer vulnerability in SIP Application Layer Gateway (ALG) of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). When specific valid SIP packets are received the PFE will crash and restart. This issue affects Juniper Networks Junos OS on SRX Series and MX Series: 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R2-S2, 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2; 22.1 versions prior to 22.1R1-S1, 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-824 Access of Uninitialized Pointer

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 20.4R1Not affected
  • 20.4 to before 20.4R3-S4Affected
  • 21.1 to before 21.1R3-S2Affected
  • 21.2 to before 21.2R3-S2Affected
  • 21.3 to before 21.3R2-S2, 21.3R3Affected
  • 21.4 to before 21.4R1-S2, 21.4R2Affected
  • 22.1 to before 22.1R1-S1, 22.1R2Affected

References

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