CVE-2022-22236

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 20.4R1unaffected
Juniper NetworksJunos OS20.4 < 20.4R3-S4affected
Juniper NetworksJunos OS21.1 < 21.1R3-S2affected
Juniper NetworksJunos OS21.2 < 21.2R3-S2affected
Juniper NetworksJunos OS21.3 < 21.3R2-S2, 21.3R3affected
Juniper NetworksJunos OS21.4 < 21.4R1-S2, 21.4R2affected
Juniper NetworksJunos OS22.1 < 22.1R1-S1, 22.1R2affected

Weaknesses

  • CWE-824: CWE-824 Access of Uninitialized Pointer
  • Denial of Service (DoS)

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References