CVE-2024-47491 (GCVE-0-2024-47491)
Vulnerability from cvelistv5
Published
2024-10-11 15:23
Modified
2024-10-22 19:12
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 (High) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CWE
  • CWE-755 - Improper Handling of Exceptional Conditions
Summary
An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause Denial of Service (DoS). When a BGP UPDATE with malformed path attribute is received over an established BGP session, rpd crashes and restarts. Continuous receipt of a BGP UPDATE with a specifically malformed path attribute will create a sustained Denial of Service (DoS) condition for impacted devices. While this issue affects systems running 32-bit and 64-bit systems, the probability of impact on 64-bit system is extremely low.  According to KB25803 https://supportportal.juniper.net/s/article/Junos-How-to-check-if-Junos-OS-is-64-or-32-bit-on-a-router , customers can confirm 32-bit or 64-bit system via the ' show version detail ' command:      lab@router> show version detail| match 32      JUNOS 32-bit kernel Software Suite       lab@router> show version detail| match 64      JUNOS 64-bit kernel Software Suite  This issue affects:  Juniper Networks Junos OS:  * All versions before 21.4R3-S8,  * from 22.2 before 22.2R3-S4,  * from 22.4 before 22.4R3-S3,  * from 23.2 before 23.2R2-S1,  * from 23.4 before 23.4R1-S2, 23.4R2.  Juniper Networks Junos OS Evolved:  * All versions before 21.4R3-S8-EVO, * from 22.2 before 22.2R3-S4-EVO, * from 22.4 before 22.4R3-S3-EVO, * from 23.2 before 23.2R2-S1-EVO, * from 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO.
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Version: 0   ≤
Version: 22.2   ≤
Version: 22.4   ≤
Version: 23.2   ≤
Version: 23.4   ≤
Create a notification for this product.
   Juniper Networks Junos OS Evolved Version: 0   ≤
Version: 22.2   ≤
Version: 22.4   ≤
Version: 23.2   ≤
Version: 23.4   ≤
Create a notification for this product.
Show details on NVD website

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              "value": "To be exposed to this issue a minimal BGP configuration like the following is required:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[ protocols bgp group \u0026lt;name\u0026gt; neighbor ... ]\u003c/tt\u003e\u003cbr\u003e"
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              "value": "\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003eAn Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause Denial of Service (DoS).\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003e\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003eWhen a BGP UPDATE with malformed path attribute is received over an established BGP session, rpd crashes and restarts. \u003c/span\u003e\u003cbr\u003e\u003cbr\u003eContinuous receipt of a BGP UPDATE with a specifically malformed path attribute will create a sustained Denial of Service (DoS) condition for impacted devices. While t\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003ehis issue affects systems running 32-bit and 64-bit systems, the probability of impact on 64-bit system is extremely low.\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003e\u003cspan style=\"background-color: rgb(251, 251, 251);\"\u003e\u003cp\u003e\u003cbr\u003eAccording to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://supportportal.juniper.net/s/article/Junos-How-to-check-if-Junos-OS-is-64-or-32-bit-on-a-router\"\u003eKB25803 \u003c/a\u003e, customers can confirm 32-bit or 64-bit system via the \u0027 \u003cstrong\u003e\u003ccode\u003eshow version detail \u003c/code\u003e\u003c/strong\u003e\u0027 command:\u003cbr\u003e\u003cbr\u003e\u003c/p\u003e\u003ctt\u003e\u2003\u2003\u2003\u2003\u2003lab@router\u0026gt; show version detail| match 32\u003cbr\u003e\u2003\u2003\u2003\u2003\u2003JUNOS 32-bit kernel Software Suite\u0026nbsp;\u003cbr\u003e\u003cbr\u003e\u2003\u2003\u2003\u2003\u2003lab@router\u0026gt; show version detail| match 64\u003cbr\u003e\u2003\u2003\u2003\u2003\u2003JUNOS 64-bit kernel Software Suite\u0026nbsp;\u003cbr\u003e\u003cbr\u003e\u003c/tt\u003e\u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003e\u2003Juniper Networks Junos OS:\u0026nbsp;\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.4R3-S8,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S4,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3-S3,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2-S1,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.4 before 23.4R1-S2, 23.4R2.\u003c/li\u003e\u003c/ul\u003e\u2003Juniper Networks Junos OS Evolved:\u0026nbsp;\u003cul\u003e\u003cli\u003eAll versions before 21.4R3-S8-EVO, \u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S4-EVO, \u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3-S3-EVO,\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2-S1-EVO, \u003c/li\u003e\u003cli\u003efrom 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO.\u003c/li\u003e\u003c/ul\u003e"
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