جزئیات آسیبپذیری
CVE-2026-21909
Junos OS and Junos OS Evolved: Receipt of specific IS-IS update packet causes memory leak leading to RPD crash
شرح رسمی (انگلیسی)
A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker controlling an adjacent IS-IS neighbor to send a specific update packet causing a memory leak. Continued receipt and processing of these packets will exhaust all available memory, crashing rpd and creating a Denial of Service (DoS) condition. Memory usage can be monitored through the use of the 'show task memory detail' command. For example: user@junos> show task memory detail | match ted-infra TED-INFRA-COOKIE 25 1072 28 1184 229 user@junos> show task memory detail | match ted-infra TED-INFRA-COOKIE 31 1360 34 1472 307 This issue affects: Junos OS: * from 23.2 before 23.2R2, * from 23.4 before 23.4R1-S2, 23.4R2, * from 24.1 before 24.1R2; Junos OS Evolved: * from 23.2 before 23.2R2-EVO, * from 23.4 before 23.4R1-S2-EVO, 23.4R2-EVO, * from 24.1 before 24.1R2-EVO. This issue does not affect Junos OS versions before 23.2R1 or Junos OS Evolved versions before 23.2R1-EVO.
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 7.1بالا | 4.0 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Green |
| 6.5متوسط | 3.1 | CVEProject cvelistV5 (CNA) (juniper) | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
محصولات آسیبپذیر
| فروشنده | محصول | نسخهها | منبع |
|---|---|---|---|
| Juniper Networks | Junos OS | 23.2 ≤ v < 23.2R2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 23.4 ≤ v < 23.4R1-S2, 23.4R2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS | 24.1 ≤ v < 24.1R2 | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.2 ≤ v < 23.2R2-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 23.4 ≤ v < 23.4R1-S2-EVO, 23.4R2-EVO | CVEProject cvelistV5 (CNA) |
| Juniper Networks | Junos OS Evolved | 24.1 ≤ v < 24.1R2-EVO | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۲- https://supportportal.juniper.net/JSA106008 vendor-advisory
- https://kb.juniper.net/JSA106008 vendor-advisory
اطلاعات
- تاریخ انتشار
- ۱۴۰۴/۱۰/۲۵
- آخرین بهروزرسانی
- ۱۴۰۴/۱۰/۲۶
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- juniper
پیشبینی بهرهبرداری (EPSS)
ارزیابی SSVC (CISA)
- قابل خودکارسازی
- خیر
- وضعیت بهرهبرداری
- ندارد
- اثر فنی
- جزئی
ضعفها (CWE)
- CWE-401Missing Release of Memory after Effective Lifetime