First published: Wed Jul 08 2020(Updated: )
A Race Condition vulnerability in Juniper Networks Junos OS LLDP implementation allows an attacker to cause LLDP to crash leading to a Denial of Service (DoS). This issue occurs when crafted LLDP packets are received by the device from an adjacent device. Multiple LACP flaps will occur after LLDP crashes. An indicator of compromise is to evaluate log file details for lldp with RLIMIT. Intervention should occur before 85% threshold of used KB versus maximum available KB memory is reached. show log messages | match RLIMIT | match lldp | last 20 Matching statement is " /kernel: %KERNEL-[number]: Process ([pid #],lldpd) has exceeded 85% of RLIMIT_DATA: " with [] as variable data to evaluate for. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D95; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D200; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S11, 17.1R3-S2; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S4, 17.4R3; 18.1 versions prior to 18.1R3-S5; 18.2 versions prior to 18.2R2-S7, 18.2R3; 18.2X75 versions prior to 18.2X75-D12, 18.2X75-D33, 18.2X75-D50, 18.2X75-D420; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2; 19.1 versions prior to 19.1R1-S4, 19.1R2.
Credit: sirt@juniper.net
Affected Software | Affected Version | How to fix |
---|---|---|
Juniper Junos | =12.3 | |
Juniper Junos | =12.3-r1 | |
Juniper Junos | =12.3-r10 | |
Juniper Junos | =12.3-r10-s1 | |
Juniper Junos | =12.3-r10-s2 | |
Juniper Junos | =12.3-r11 | |
Juniper Junos | =12.3-r12 | |
Juniper Junos | =12.3-r12-s1 | |
Juniper Junos | =12.3-r12-s11 | |
Juniper Junos | =12.3-r12-s12 | |
Juniper Junos | =12.3-r12-s13 | |
Juniper Junos | =12.3-r12-s14 | |
Juniper Junos | =12.3-r12-s3 | |
Juniper Junos | =12.3-r12-s4 | |
Juniper Junos | =12.3-r12-s6 | |
Juniper Junos | =12.3-r12-s8 | |
Juniper Junos | =12.3x48 | |
Juniper Junos | =12.3x48-d10 | |
Juniper Junos | =12.3x48-d100 | |
Juniper Junos | =12.3x48-d15 | |
Juniper Junos | =12.3x48-d20 | |
Juniper Junos | =12.3x48-d25 | |
Juniper Junos | =12.3x48-d30 | |
Juniper Junos | =12.3x48-d35 | |
Juniper Junos | =12.3x48-d40 | |
Juniper Junos | =12.3x48-d45 | |
Juniper Junos | =12.3x48-d50 | |
Juniper Junos | =12.3x48-d51 | |
Juniper Junos | =12.3x48-d55 | |
Juniper Junos | =12.3x48-d60 | |
Juniper Junos | =12.3x48-d65 | |
Juniper Junos | =12.3x48-d70 | |
Juniper Junos | =12.3x48-d75 | |
Juniper Junos | =12.3x48-d80 | |
Juniper Junos | =12.3x48-d90 | |
Juniper Junos | =15.1 | |
Juniper Junos | =15.1-a1 | |
Juniper Junos | =15.1-f | |
Juniper Junos | =15.1-f1 | |
Juniper Junos | =15.1-f2 | |
Juniper Junos | =15.1-f2-s1 | |
Juniper Junos | =15.1-f2-s2 | |
Juniper Junos | =15.1-f2-s3 | |
Juniper Junos | =15.1-f2-s4 | |
Juniper Junos | =15.1-f3 | |
Juniper Junos | =15.1-f4 | |
Juniper Junos | =15.1-f5 | |
Juniper Junos | =15.1-f5-s7 | |
Juniper Junos | =15.1-f6 | |
Juniper Junos | =15.1-f6-s1 | |
Juniper Junos | =15.1-f6-s12 | |
Juniper Junos | =15.1-f6-s2 | |
Juniper Junos | =15.1-f6-s3 | |
Juniper Junos | =15.1-f6-s4 | |
Juniper Junos | =15.1-f6-s7 | |
Juniper Junos | =15.1-f7 | |
Juniper Junos | =15.1-r1 | |
Juniper Junos | =15.1-r2 | |
Juniper Junos | =15.1-r3 | |
Juniper Junos | =15.1-r4 | |
Juniper Junos | =15.1-r4-s7 | |
Juniper Junos | =15.1-r4-s8 | |
Juniper Junos | =15.1-r4-s9 | |
Juniper Junos | =15.1-r5 | |
Juniper Junos | =15.1-r5-s1 | |
Juniper Junos | =15.1-r5-s5 | |
Juniper Junos | =15.1-r5-s6 | |
Juniper Junos | =15.1-r6 | |
Juniper Junos | =15.1-r6-s1 | |
Juniper Junos | =15.1-r6-s2 | |
Juniper Junos | =15.1-r6-s6 | |
Juniper Junos | =15.1-r7 | |
Juniper Junos | =15.1-r7-s1 | |
Juniper Junos | =15.1-r7-s2 | |
Juniper Junos | =15.1-r7-s3 | |
Juniper Junos | =15.1-r7-s4 | |
Juniper Junos | =15.1-r7-s5 | |
Juniper Junos | =15.1x49 | |
Juniper Junos | =15.1x49-d10 | |
Juniper Junos | =15.1x49-d100 | |
Juniper Junos | =15.1x49-d110 | |
Juniper Junos | =15.1x49-d120 | |
Juniper Junos | =15.1x49-d130 | |
Juniper Junos | =15.1x49-d140 | |
Juniper Junos | =15.1x49-d15 | |
Juniper Junos | =15.1x49-d150 | |
Juniper Junos | =15.1x49-d160 | |
Juniper Junos | =15.1x49-d170 | |
Juniper Junos | =15.1x49-d180 | |
Juniper Junos | =15.1x49-d190 | |
Juniper Junos | =15.1x49-d20 | |
Juniper Junos | =15.1x49-d25 | |
Juniper Junos | =15.1x49-d30 | |
Juniper Junos | =15.1x49-d35 | |
Juniper Junos | =15.1x49-d40 | |
Juniper Junos | =15.1x49-d45 | |
Juniper Junos | =15.1x49-d50 | |
Juniper Junos | =15.1x49-d55 | |
Juniper Junos | =15.1x49-d60 | |
Juniper Junos | =15.1x49-d65 | |
Juniper Junos | =15.1x49-d70 | |
Juniper Junos | =15.1x49-d75 | |
Juniper Junos | =15.1x49-d80 | |
Juniper Junos | =15.1x49-d90 | |
Juniper Junos | =15.1x53 | |
Juniper Junos | =15.1x53-d10 | |
Juniper Junos | =15.1x53-d20 | |
Juniper Junos | =15.1x53-d21 | |
Juniper Junos | =15.1x53-d210 | |
Juniper Junos | =15.1x53-d230 | |
Juniper Junos | =15.1x53-d231 | |
Juniper Junos | =15.1x53-d232 | |
Juniper Junos | =15.1x53-d233 | |
Juniper Junos | =15.1x53-d234 | |
Juniper Junos | =15.1x53-d235 | |
Juniper Junos | =15.1x53-d236 | |
Juniper Junos | =15.1x53-d237 | |
Juniper Junos | =15.1x53-d25 | |
Juniper Junos | =15.1x53-d30 | |
Juniper Junos | =15.1x53-d31 | |
Juniper Junos | =15.1x53-d32 | |
Juniper Junos | =15.1x53-d33 | |
Juniper Junos | =15.1x53-d34 | |
Juniper Junos | =15.1x53-d40 | |
Juniper Junos | =15.1x53-d45 | |
Juniper Junos | =15.1x53-d47 | |
Juniper Junos | =15.1x53-d470 | |
Juniper Junos | =15.1x53-d48 | |
Juniper Junos | =15.1x53-d495 | |
Juniper Junos | =15.1x53-d50 | |
Juniper Junos | =15.1x53-d51 | |
Juniper Junos | =15.1x53-d52 | |
Juniper Junos | =15.1x53-d55 | |
Juniper Junos | =15.1x53-d56 | |
Juniper Junos | =15.1x53-d57 | |
Juniper Junos | =15.1x53-d58 | |
Juniper Junos | =15.1x53-d59 | |
Juniper Junos | =15.1x53-d590 | |
Juniper Junos | =15.1x53-d591 | |
Juniper Junos | =15.1x53-d592 | |
Juniper Junos | =15.1x53-d60 | |
Juniper Junos | =15.1x53-d61 | |
Juniper Junos | =15.1x53-d62 | |
Juniper Junos | =15.1x53-d63 | |
Juniper Junos | =15.1x53-d64 | |
Juniper Junos | =15.1x53-d65 | |
Juniper Junos | =15.1x53-d66 | |
Juniper Junos | =15.1x53-d67 | |
Juniper Junos | =15.1x53-d68 | |
Juniper Junos | =15.1x53-d69 | |
Juniper Junos | =15.1x53-d70 | |
Juniper Junos | =16.1 | |
Juniper Junos | =16.1-r1 | |
Juniper Junos | =16.1-r2 | |
Juniper Junos | =16.1-r3 | |
Juniper Junos | =16.1-r3-s10 | |
Juniper Junos | =16.1-r3-s11 | |
Juniper Junos | =16.1-r4 | |
Juniper Junos | =16.1-r4-s12 | |
Juniper Junos | =16.1-r4-s2 | |
Juniper Junos | =16.1-r4-s3 | |
Juniper Junos | =16.1-r4-s4 | |
Juniper Junos | =16.1-r4-s6 | |
Juniper Junos | =16.1-r5 | |
Juniper Junos | =16.1-r5-s4 | |
Juniper Junos | =16.1-r6-s1 | |
Juniper Junos | =16.1-r6-s6 | |
Juniper Junos | =16.1-r7 | |
Juniper Junos | =16.1-r7-s2 | |
Juniper Junos | =16.1-r7-s3 | |
Juniper Junos | =16.1-r7-s4 | |
Juniper Junos | =16.1-r7-s5 | |
Juniper Junos | =16.1-r7-s6 | |
Juniper Junos | =17.1 | |
Juniper Junos | =17.1-r1 | |
Juniper Junos | =17.1-r2 | |
Juniper Junos | =17.1-r2-s1 | |
Juniper Junos | =17.1-r2-s10 | |
Juniper Junos | =17.1-r2-s2 | |
Juniper Junos | =17.1-r2-s3 | |
Juniper Junos | =17.1-r2-s4 | |
Juniper Junos | =17.1-r2-s5 | |
Juniper Junos | =17.1-r2-s6 | |
Juniper Junos | =17.1-r2-s7 | |
Juniper Junos | =17.1-r2-s8 | |
Juniper Junos | =17.1-r2-s9 | |
Juniper Junos | =17.1-r3 | |
Juniper Junos | =17.1-r3-s1 | |
Juniper Junos | =17.2 | |
Juniper Junos | =17.2-r1 | |
Juniper Junos | =17.2-r1-s1 | |
Juniper Junos | =17.2-r1-s2 | |
Juniper Junos | =17.2-r1-s3 | |
Juniper Junos | =17.2-r1-s4 | |
Juniper Junos | =17.2-r1-s5 | |
Juniper Junos | =17.2-r1-s7 | |
Juniper Junos | =17.2-r1-s8 | |
Juniper Junos | =17.2-r2 | |
Juniper Junos | =17.2-r2-s11 | |
Juniper Junos | =17.2-r2-s6 | |
Juniper Junos | =17.2-r2-s7 | |
Juniper Junos | =17.2-r3-s1 | |
Juniper Junos | =17.2-r3-s2 | |
Juniper Junos | =17.3 | |
Juniper Junos | =17.3-r1-s1 | |
Juniper Junos | =17.3-r2 | |
Juniper Junos | =17.3-r2-s1 | |
Juniper Junos | =17.3-r2-s2 | |
Juniper Junos | =17.3-r2-s3 | |
Juniper Junos | =17.3-r2-s4 | |
Juniper Junos | =17.3-r3 | |
Juniper Junos | =17.3-r3-s1 | |
Juniper Junos | =17.3-r3-s2 | |
Juniper Junos | =17.3-r3-s3 | |
Juniper Junos | =17.3-r3-s4 | |
Juniper Junos | =17.3-r3-s5 | |
Juniper Junos | =17.4 | |
Juniper Junos | =17.4-r1 | |
Juniper Junos | =17.4-r1-s1 | |
Juniper Junos | =17.4-r1-s2 | |
Juniper Junos | =17.4-r1-s4 | |
Juniper Junos | =17.4-r1-s5 | |
Juniper Junos | =17.4-r1-s6 | |
Juniper Junos | =17.4-r1-s7 | |
Juniper Junos | =17.4-r2 | |
Juniper Junos | =17.4-r2-s1 | |
Juniper Junos | =17.4-r2-s10 | |
Juniper Junos | =17.4-r2-s2 | |
Juniper Junos | =17.4-r2-s3 | |
Juniper Junos | =18.1 | |
Juniper Junos | =18.1-r1 | |
Juniper Junos | =18.1-r2 | |
Juniper Junos | =18.1-r2-s1 | |
Juniper Junos | =18.1-r2-s2 | |
Juniper Junos | =18.1-r2-s4 | |
Juniper Junos | =18.1-r3 | |
Juniper Junos | =18.1-r3-s1 | |
Juniper Junos | =18.1-r3-s2 | |
Juniper Junos | =18.1-r3-s3 | |
Juniper Junos | =18.1-r3-s4 | |
Juniper Junos | =18.2 | |
Juniper Junos | =18.2-r1 | |
Juniper Junos | =18.2-r1 | |
Juniper Junos | =18.2-r1-s3 | |
Juniper Junos | =18.2-r1-s4 | |
Juniper Junos | =18.2-r1-s5 | |
Juniper Junos | =18.2-r2 | |
Juniper Junos | =18.2-r2-s1 | |
Juniper Junos | =18.2-r2-s2 | |
Juniper Junos | =18.2-r2-s3 | |
Juniper Junos | =18.2-r2-s4 | |
Juniper Junos | =18.2-r2-s5 | |
Juniper Junos | =18.2-r2-s6 | |
Juniper Junos | =18.2x75 | |
Juniper Junos | =18.2x75-d20 | |
Juniper Junos | =18.2x75-d30 | |
Juniper Junos | =18.2x75-d40 | |
Juniper Junos | =18.3 | |
Juniper Junos | =18.3-r1 | |
Juniper Junos | =18.3-r1-s1 | |
Juniper Junos | =18.3-r1-s2 | |
Juniper Junos | =18.3-r1-s3 | |
Juniper Junos | =18.3-r1-s5 | |
Juniper Junos | =18.3-r1-s6 | |
Juniper Junos | =18.3-r2 | |
Juniper Junos | =18.3-r2-s1 | |
Juniper Junos | =18.3-r2-s2 | |
Juniper Junos | =18.4 | |
Juniper Junos | =18.4-r1 | |
Juniper Junos | =18.4-r1-s1 | |
Juniper Junos | =18.4-r1-s2 | |
Juniper Junos | =18.4-r1-s3 | |
Juniper Junos | =18.4-r1-s4 | |
Juniper Junos | =19.1 | |
Juniper Junos | =19.1-r1 | |
Juniper Junos | =19.1-r1-s1 | |
Juniper Junos | =19.1-r1-s2 | |
Juniper Junos | =19.1-r1-s3 |
The following software releases have been updated to resolve this specific issue: 12.3R12-S15, 12.3X48-D95, 15.1R7-S6, 15.1X49-D200, 15.1X53-D593, 16.1R7-S7, 16.1R7-S7, 17.1R2-S11, 17.1R3-S2, 17.2R1-S9, 17.2R3-S3, 17.3R2-S5, 17.3R3-S6, 17.4R2-S4, 17.4R3, 18.1R3-S5, 18.2R2-S7, 18.2R3, 18.2X75-D33, 18.2X75-D50, 18.2X75-D420, 18.3R1-S7, 18.3R2-S3, 18.3R3, 18.4R1-S5, 18.4R2, 19.1R1-S4, 19.1R2, 19.2R1, and all subsequent releases.
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CVE-2020-1641 is considered critical as it can lead to a Denial of Service (DoS) when exploited.
To fix CVE-2020-1641, upgrade to the appropriate fixed versions of Junos OS as recommended by Juniper Networks.
CVE-2020-1641 affects various versions of Juniper Networks Junos OS, including versions 12.3 and 15.1.
CVE-2020-1641 is exploited through crafted LLDP packets sent to a vulnerable device, causing it to crash.
Yes, Juniper Networks has released patches for CVE-2020-1641 in the updated versions of Junos OS.