CVE-2020-10188: Buffer Overflow
Published Mar 6, 2020
·Updated
utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions.
Affected Software
361 affected components
Netkit Telnet Project Netkit Telnet<=0.17
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Arista EOS<=4.20.15
Arista EOS>=4.21.0<=4.21.10m
Arista EOS>=4.22<=4.22.4m
Arista EOS>=4.23<=4.23.3m
Arista EOS=4.24.0f
Oracle Communications Performance Intelligence Center=10.4.0.2
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-s10
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-s15
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=12.3-r13
Juniper Junos=12.3-r2
Juniper Junos=12.3-r3
Juniper Junos=12.3-r4
Juniper Junos=12.3-r5
Juniper Junos=12.3-r6
Juniper Junos=12.3-r7
Juniper Junos=12.3-r8
Juniper Junos=12.3-r9
Juniper Junos=12.3r12
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-d66
Juniper Junos=12.3x48-d70
Juniper Junos=12.3x48-d75
Juniper Junos=12.3x48-d80
Juniper Junos=12.3x48-d85
Juniper Junos=12.3x48-d90
Juniper Junos=12.3x48-d95
Juniper Junos=12.3x50
Juniper Junos=12.3x50-d20
Juniper Junos=12.3x50-d30
Juniper Junos=12.3x50-d35
Juniper Junos=12.3x50-d40
Juniper Junos=12.3x50-d45
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-s10
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-s5
Juniper Junos=15.1-f6-s6
Juniper Junos=15.1-f6-s7
Juniper Junos=15.1-f6-s8
Juniper Junos=15.1-f6-s9
Juniper Junos=15.1-f7
Juniper Junos=15.1-r
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-s3
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-s3
Juniper Junos=15.1-r6-s4
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=15.1-r7-s6
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-d131
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-d200
Juniper Junos=15.1x49-d210
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=15.1x49-d30
Juniper Junos=15.1x49-d60
Juniper Junos=15.1x49-d140
Juniper Junos=15.1x49-d150
Juniper Junos=15.1x49-d160
Juniper Junos=16.1
Juniper Junos=16.1-r
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-r3-s8
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-r4-s8
Juniper Junos=16.1-r4-s9
Juniper Junos=16.1-r5
Juniper Junos=16.1-r5-s4
Juniper Junos=16.1-r6
Juniper Junos=16.1-r6-s1
Juniper Junos=16.1-r6-s3
Juniper Junos=16.1-r6-s4
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=16.1-r7-s7
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-s6
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-s4
Juniper Junos=17.2-r2-s6
Juniper Junos=17.2-r2-s7
Juniper Junos=17.2-r3
Juniper Junos=17.2-r3-s1
Juniper Junos=17.2-r3-s2
Juniper Junos=17.2-r3-s3
Juniper Junos=17.2x75
Juniper Junos=17.3
Juniper Junos=17.3-r1
Juniper Junos=17.3-r1-s1
Juniper Junos=17.3-r1-s4
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-r2-s5
Juniper Junos=17.3-r3
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=17.3-r3-s6
Juniper Junos=17.3-r3-s7
Juniper Junos=17.3-r3-s8
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-s3
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=17.4-r2-s4
Juniper Junos=17.4-r2-s5
Juniper Junos=17.4-r2-s6
Juniper Junos=17.4-r2-s7
Juniper Junos=17.4-r2-s8
Juniper Junos=17.4-r2-s9
Juniper Junos=17.4-r3
Juniper Junos=17.4-r3-s1
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=18.1-r3-s5
Juniper Junos=18.1-r3-s6
Juniper Junos=18.1-r3-s7
Juniper Junos=18.1-r3-s8
Juniper Junos=18.1-r3-s9
Juniper Junos=18.2
Juniper Junos=18.2-r
Juniper Junos=18.2-r1
Juniper Junos=18.2-r1
Juniper Junos=18.2-r1-s2
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=18.2-r2-s7
Juniper Junos=18.2-r2-s8
Juniper Junos=18.2-r3
Juniper Junos=18.2-r3-s1
Juniper Junos=18.2-r3-s2
Juniper Junos=18.2-r3-s3
Juniper Junos=18.2-r3-s4
Juniper Junos=18.2x75
Juniper Junos=18.2x75-d12
Juniper Junos=18.2x75-d20
Juniper Junos=18.2x75-d30
Juniper Junos=18.2x75-d40
Juniper Junos=18.2x75-d411
Juniper Junos=18.2x75-d50
Juniper Junos=18.2x75-d51
Juniper Junos=18.2x75-d60
Juniper Junos=18.2x75-d10
Juniper Junos=18.2x75-d30
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-s4
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=18.3-r2-s3
Juniper Junos=18.3-r3
Juniper Junos=18.3-r3-s1
Juniper Junos=18.3-r3-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=18.4-r1-s5
Juniper Junos=18.4-r1-s6
Juniper Junos=18.4-r1-s7
Juniper Junos=18.4-r2
Juniper Junos=18.4-r2-s1
Juniper Junos=18.4-r2-s2
Juniper Junos=18.4-r2-s3
Juniper Junos=18.4-r2-s4
Juniper Junos=18.4-r3
Juniper Junos=18.4-r3-s1
Juniper Junos=18.4-r3-s2
Juniper Junos=18.4-r3-s3
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
Juniper Junos=19.1-r1-s4
Juniper Junos=19.1-r1-s5
Juniper Junos=19.1-r1-s6
Juniper Junos=19.1-r2
Juniper Junos=19.1-r2-s1
Juniper Junos=19.1-r3
Juniper Junos=19.1-r3-s1
Juniper Junos=19.2
Juniper Junos=19.2-r1
Juniper Junos=19.2-r1-s1
Juniper Junos=19.2-r1-s2
Juniper Junos=19.2-r1-s3
Juniper Junos=19.2-r1-s4
Juniper Junos=19.3
Juniper Junos=19.3-r1
Juniper Junos=19.3-r1-s1
Juniper Junos=19.3-r2
Juniper Junos=19.3-r2-s1
Juniper Junos=19.3-r2-s2
Juniper Junos=19.4
Juniper Junos=19.4-r1
Juniper Junos=19.4-r1-s1
Juniper Junos=19.4-r1-s2
Juniper Junos=19.4-r2
Juniper Junos=20.1
Juniper Junos=20.1-r1
Juniper Junos=20.1-r1-s1
Remediation
Patch Available
Event History
Mar 6, 2020
CVE Published
via MITRE·02:07 PM
Data Sourced
via MITRE·02:07 PM
Description
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2020-10188?
CVE-2020-10188 is classified as a high severity vulnerability due to its potential for remote code execution.
2
How do I fix CVE-2020-10188?
To mitigate CVE-2020-10188, users should update the affected software versions of netkit-telnet to the latest patch that addresses this vulnerability.
3
Which software is affected by CVE-2020-10188?
CVE-2020-10188 affects netkit-telnet versions up to and including 0.17, along with specific versions of Fedora, Debian, and Juniper JUNOS.
4
What types of attacks can exploit CVE-2020-10188?
CVE-2020-10188 can be exploited through buffer overflow attacks, leading to arbitrary code execution by remote attackers.
5
When was CVE-2020-10188 disclosed?
CVE-2020-10188 was disclosed in February 2020, drawing attention due to its significant security implications.