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%
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.
Author | Note |
---|---|
ccdm94 | in netkit-telnet, this CVE was patched in 0.17-18woody2. See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953477 for more information. |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | inetutils | < 2:1.9.4-3ubuntu0.1 | UNKNOWN |
ubuntu | 20.04 | noarch | inetutils | < 2:1.9.4-11ubuntu0.1 | UNKNOWN |
ubuntu | 14.04 | noarch | inetutils | < any | UNKNOWN |
ubuntu | 16.04 | noarch | inetutils | < 2:1.9.4-1ubuntu0.1~esm1 | UNKNOWN |
ubuntu | 18.04 | noarch | netkit-telnet-ssl | < any | UNKNOWN |
ubuntu | 20.04 | noarch | netkit-telnet-ssl | < any | UNKNOWN |
ubuntu | 22.04 | noarch | netkit-telnet-ssl | < any | UNKNOWN |
ubuntu | 24.04 | noarch | netkit-telnet-ssl | < any | UNKNOWN |
ubuntu | 16.04 | noarch | netkit-telnet-ssl | < any | UNKNOWN |
appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html
github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667ef8/telnet/telnetd/utility.c#L205-L216
launchpad.net/bugs/cve/CVE-2020-10188
nvd.nist.gov/vuln/detail/CVE-2020-10188
security-tracker.debian.org/tracker/CVE-2020-10188
ubuntu.com/security/notices/USN-5048-1
ubuntu.com/security/notices/USN-5048-2
www.cve.org/CVERecord?id=CVE-2020-10188
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%