CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
98.5%
Issue Overview:
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. (CVE-2020-10188)
Affected Packages:
telnet
Issue Correction:
Run yum update telnet to update your system.
New Packages:
i686:
telnet-0.17-49.9.amzn1.i686
telnet-server-0.17-49.9.amzn1.i686
telnet-debuginfo-0.17-49.9.amzn1.i686
src:
telnet-0.17-49.9.amzn1.src
x86_64:
telnet-debuginfo-0.17-49.9.amzn1.x86_64
telnet-server-0.17-49.9.amzn1.x86_64
telnet-0.17-49.9.amzn1.x86_64
Red Hat: CVE-2020-10188
Mitre: CVE-2020-10188
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 1 | i686 | telnet | < 0.17-49.9.amzn1 | telnet-0.17-49.9.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | telnet-server | < 0.17-49.9.amzn1 | telnet-server-0.17-49.9.amzn1.i686.rpm |
Amazon Linux | 1 | i686 | telnet-debuginfo | < 0.17-49.9.amzn1 | telnet-debuginfo-0.17-49.9.amzn1.i686.rpm |
Amazon Linux | 1 | x86_64 | telnet-debuginfo | < 0.17-49.9.amzn1 | telnet-debuginfo-0.17-49.9.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | telnet-server | < 0.17-49.9.amzn1 | telnet-server-0.17-49.9.amzn1.x86_64.rpm |
Amazon Linux | 1 | x86_64 | telnet | < 0.17-49.9.amzn1 | telnet-0.17-49.9.amzn1.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
98.5%