PT-2020-10483 · Efs · Efs Easy Chat Server

Published 2020-03-05 · Updated 2020-03-06 · CVE-2019-20502

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions EFS Easy Chat Server version 3.1

Description An issue was discovered in EFS Easy Chat Server. There is a buffer overflow via a long body2.ghp message parameter.

Recommendations For EFS Easy Chat Server version 3.1, as a temporary workaround, consider restricting the length of the body2.ghp message parameter to prevent buffer overflow until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2019-20502

Affected Products

Efs Easy Chat Server

References · 4

• 🔥 https://github.com/s1kr10s/EasyChatServer-DOS · Exploit
• https://osv.dev/vulnerability/CVE-2019-20502 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20502 · Security Note
• https://t.me/cvenotify/1398 · Telegram Post