Buffer overflow in Arista Eos
CVE-2020-10188
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.
Vulnerability class: Buffer Overflow
EPSS: 0.743 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arista Eos — versions 4.24.0f
- Juniper Junos — versions 12.3, 12.3r12, 12.3x48
- Netkit_telnet_project Netkit_telnet
- Oracle Communications_performance_intelligence_center — versions 10.4.0.2
- Debian Debian_linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 30, 31, 32
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-10188?
- CVE-2020-10188 is a critical-severity vulnerability in Arista Eos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-03-06.
- How severe is CVE-2020-10188?
- Critical severity. CVSS v3 base score is 9.8 out of 10.