CVE-2023-22392 (GCVE-0-2023-22392)
Vulnerability from cvelistv5
Published
2023-10-12 22:55
Modified
2024-08-02 10:07
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-401 - A Missing Release of Memory after Effective Lifetime
- Denial of Service (DoS)
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).
PTX3000, PTX5000, QFX10000, PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs do not support certain flow-routes. Once a flow-route is received over an established BGP session and an attempt is made to install the resulting filter into the PFE, FPC heap memory is leaked. The FPC heap memory can be monitored using the CLI command "show chassis fpc".
The following syslog messages can be observed if the respective filter derived from a flow-route cannot be installed.
expr_dfw_sfm_range_add:661 SFM packet-length Unable to get a sfm entry for updating the hw
expr_dfw_hw_sfm_add:750 Unable to add the filter secondarymatch to the hardware
expr_dfw_base_hw_add:52 Failed to add h/w sfm data.
expr_dfw_base_hw_create:114 Failed to add h/w data.
expr_dfw_base_pfe_inst_create:241 Failed to create base inst for sfilter 0 on PFE 0 for __flowspec_default_inet__
expr_dfw_flt_inst_change:1368 Failed to create __flowspec_default_inet__ on PFE 0
expr_dfw_hw_pgm_fnum:465 dfw_pfe_inst_old not found for pfe_index 0!
expr_dfw_bp_pgm_flt_num:548 Failed to pgm bind-point in hw: generic failure
expr_dfw_bp_topo_handler:1102 Failed to program fnum.
expr_dfw_entry_process_change:679 Failed to change instance for filter __flowspec_default_inet__.
This issue affects Juniper Networks Junos OS:
on PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs:
* All versions prior to 20.4R3-S5;
* 21.1 versions prior to 21.1R3-S4;
* 21.2 versions prior to 21.2R3-S2;
* 21.3 versions prior to 21.3R3;
* 21.4 versions prior to 21.4R2-S2, 21.4R3;
* 22.1 versions prior to 22.1R1-S2, 22.1R2.
on PTX3000, PTX5000, QFX10000:
* All versions prior to 20.4R3-S8;
* 21.1 version 21.1R1 and later versions;
* 21.2 versions prior to 21.2R3-S6;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S4;
* 22.1 versions prior to 22.1R3-S3
* 22.2 versions prior to 22.2R3-S1
* 22.3 versions prior to 22.3R2-S2, 22.3R3
* 22.4 versions prior to 22.4R2.
References
| ► | URL | Tags | |||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ► | Juniper Networks | Junos OS |
Version: 0 ≤ Version: 21.1 ≤ Version: 21.2 ≤ Version: 21.3 ≤ Version: 21.4 ≤ Version: 22.1 ≤ |
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"value": "\n\n\u003cp\u003eA Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).\u003c/p\u003e\u003cp\u003ePTX3000, PTX5000, QFX10000, PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs do not support certain flow-routes. Once a flow-route is received over an established BGP session and an attempt is made to install the resulting filter into the PFE, FPC heap memory is leaked. The FPC heap memory can be monitored using the CLI command \"show chassis fpc\".\u003c/p\u003e\u003cp\u003eThe following syslog messages can be observed if the respective filter derived from a flow-route cannot be installed.\u003c/p\u003e\u003ccode\u003eexpr_dfw_sfm_range_add:661 SFM packet-length Unable to get a sfm entry for updating the hw\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_hw_sfm_add:750 Unable to add the filter secondarymatch to the hardware\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_base_hw_add:52 Failed to add h/w sfm data.\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_base_hw_create:114 Failed to add h/w data.\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_base_pfe_inst_create:241 Failed to create base inst for sfilter 0 on PFE 0 for __flowspec_default_inet__\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_flt_inst_change:1368 Failed to create __flowspec_default_inet__ on PFE 0\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_hw_pgm_fnum:465 dfw_pfe_inst_old not found for pfe_index 0!\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_bp_pgm_flt_num:548 Failed to pgm bind-point in hw: generic failure\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_bp_topo_handler:1102 Failed to program fnum.\u003c/code\u003e\u003cbr\u003e\u003ccode\u003eexpr_dfw_entry_process_change:679 Failed to change instance for filter __flowspec_default_inet__.\u003c/code\u003e\u003cbr\u003e\u003cp\u003eThis issue affects Juniper Networks Junos OS:\u003c/p\u003e\u003cp\u003eon PTX1000, PTX10002, and PTX10004, PTX10008 and PTX10016 with LC110x FPCs:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions prior to 20.4R3-S5;\u003c/li\u003e\u003cli\u003e21.1 versions prior to 21.1R3-S4;\u003c/li\u003e\u003cli\u003e21.2 versions prior to 21.2R3-S2;\u003c/li\u003e\u003cli\u003e21.3 versions prior to 21.3R3;\u003c/li\u003e\u003cli\u003e21.4 versions prior to 21.4R2-S2, 21.4R3;\u003c/li\u003e\u003cli\u003e22.1 versions prior to 22.1R1-S2, 22.1R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eon PTX3000, PTX5000, QFX10000:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions prior to 20.4R3-S8;\u003c/li\u003e\u003cli\u003e21.1 version 21.1R1 and later versions;\u003c/li\u003e\u003cli\u003e21.2 versions prior to 21.2R3-S6;\u003c/li\u003e\u003cli\u003e21.3 versions prior to 21.3R3-S5;\u003c/li\u003e\u003cli\u003e21.4 versions prior to 21.4R3-S4;\u003c/li\u003e\u003cli\u003e22.1 versions prior to 22.1R3-S3\u003c/li\u003e\u003cli\u003e22.2 versions prior to 22.2R3-S1\u003c/li\u003e\u003cli\u003e22.3 versions prior to 22.3R2-S2, 22.3R3\u003c/li\u003e\u003cli\u003e22.4 versions prior to 22.4R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\n\n"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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