CVE-2020-10188
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Netkit Telnet
PublishedMar 6, 2020
First seenMar 6, 2020
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HLU6FL24BSQQEB2SJC26NLJ2MANQDA7M/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7FMTRRQTYKWZD2GMXX3GLZV46OLPCLVK/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3VJ6V2Z3JRNJOBVHSOPMAC76PSSKG6A/
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-telnetd-EFJrEzPx
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| netkit_telnet_project netkit_telnet | v ≤ 0.17 | — |
| fedoraproject fedora | 30, 31, 32 | — |
| debian debian_linux | 8.0, 9.0 | — |
| arista eos | v ≤ 4.20.15, 4.21.0 ≤ v ≤ 4.21.10m, 4.22 ≤ v ≤ 4.22.4m, 4.23 ≤ v ≤ 4.23.3m, 4.24.0f | — |
| oracle communications_performance_intelligence_center | 10.4.0.2 | — |
| juniper junos | 12.3, 12.3r12, 12.3x48, 12.3x50, 15.1, 15.1x49, 15.1x49-d30, 15.1x49-d60, 15.1x49-d140, 15.1x49-d150, 15.1x49-d160, 16.1, 17.2 | — |
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