cve-2024-39559
Vulnerability from cvelistv5
Published
2024-07-10 22:42
Modified
2024-08-02 04:26
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:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS Evolved may allow a network-based unauthenticated attacker to crash the device (vmcore) by sending a specific TCP packet over an established TCP session with MD5 authentication enabled, destined to an accessible port on the device, resulting in a Denial of Service (DoS).  The receipt of this packet must occur within a specific timing window outside the attacker's control (i.e., race condition). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue only affects dual RE systems with Nonstop Active Routing (NSR) enabled. Exploitation can only occur over TCP sessions with MD5 authentication enabled (e.g., BGP with MD5 authentication). This issue affects Junos OS Evolved:  * All versions before 21.2R3-S8-EVO, * from 21.4-EVO before 21.4R3-S6-EVO, * from 22.1-EVO before 22.1R3-S4-EVO, * from 22.2-EVO before 22.2R3-S4-EVO, * from 22.3-EVO before 22.3R3-S3-EVO, * from 22.4-EVO before 22.4R2-S2-EVO, 22.4R3-EVO.
References
sirt@juniper.nethttps://supportportal.juniper.net/JSA83019Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://supportportal.juniper.net/JSA83019Vendor Advisory
Impacted products
Vendor Product Version
Juniper Networks Junos OS Evolved Version: 0   ≤
Version: 21.4-EVO   ≤
Version: 22.1-EVO   ≤
Version: 22.2-EVO   ≤
Version: 22.3-EVO   ≤
Version: 22.4-EVO   ≤
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[{\"url\": \"https://supportportal.juniper.net/JSA83019\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There are no known workarounds for this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"There are no known workarounds for this issue.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Improper Check for Unusual or Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS Evolved may allow a network-based unauthenticated attacker to crash the device (vmcore) by sending a specific TCP packet over an established TCP session with MD5 authentication enabled, destined to an accessible port on the device, resulting in a Denial of Service (DoS).\\u00a0 The receipt of this packet must occur within a specific timing window outside the attacker's control (i.e., race condition).\\n\\nContinued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.\\n\\nThis issue only affects\\u00a0dual RE systems with Nonstop Active Routing (NSR) enabled.\\nExploitation can only occur over TCP sessions with MD5 authentication enabled (e.g., BGP with MD5 authentication).\\n\\nThis issue affects Junos OS Evolved:\\u00a0\\n\\n\\n\\n  *  All versions before 21.2R3-S8-EVO, \\n  *  from 21.4-EVO before 21.4R3-S6-EVO, \\n  *  from 22.1-EVO before 22.1R3-S4-EVO, \\n  *  from 22.2-EVO before 22.2R3-S4-EVO, \\n  *  from 22.3-EVO before 22.3R3-S3-EVO, \\n  *  from 22.4-EVO before 22.4R2-S2-EVO, 22.4R3-EVO.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An Improper Check for Unusual or Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS Evolved may allow a network-based unauthenticated attacker to crash the device (vmcore) by sending a specific TCP packet over an established TCP session with MD5 authentication enabled, destined to an accessible port on the device, resulting in a Denial of Service (DoS).&nbsp; The receipt of this packet must occur within a specific timing window outside the attacker's control (i.e., race condition).<br><br>Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.<br><br>This issue only affects&nbsp;dual RE systems with Nonstop Active Routing (NSR) enabled.<br>Exploitation can only occur over TCP sessions with MD5 authentication enabled (e.g., BGP with MD5 authentication).<br><br><p>This issue affects Junos OS Evolved:&nbsp;</p><p></p><ul><li>All versions before 21.2R3-S8-EVO, </li><li>from 21.4-EVO before 21.4R3-S6-EVO, </li><li>from 22.1-EVO before 22.1R3-S4-EVO, </li><li>from 22.2-EVO before 22.2R3-S4-EVO, </li><li>from 22.3-EVO before 22.3R3-S3-EVO, </li><li>from 22.4-EVO before 22.4R2-S2-EVO, 22.4R3-EVO.</li></ul><p></p>\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-754\", \"description\": \"CWE-754 Improper Check for Unusual or Exceptional Conditions\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"An example of a system with NSR enabled is shown below:\\n\\n[ routing-options\\u00a0nonstop-routing ]\\n\\n\\n\\nMD5 authentication is enabled for BGP using the following configuration option:\\n\\n[ protocols bgp ... authentication-key <password> ]\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An example of a system with NSR enabled is shown below:<br><br><tt>[ routing-options&nbsp;nonstop-routing ]</tt><br><br>\\n\\nMD5 authentication is enabled for BGP using the following configuration option:<br><br><tt>[ protocols bgp ... authentication-key &lt;password&gt; ]</tt>\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-07-10T22:42:02.555Z\"}}}",
         cveMetadata: "{\"cveId\": \"CVE-2024-39559\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-07-11T18:58:59.544Z\", \"dateReserved\": \"2024-06-25T15:12:53.247Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2024-07-10T22:42:02.555Z\", \"assignerShortName\": \"juniper\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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