Buffer overflow in Minishare Project

CVE-2020-13768

In MiniShare before 1.4.2, there is a stack-based buffer overflow via an HTTP PUT request, which allows an attacker to achieve arbitrary code execution, a similar issue to CVE-2018-19861, CVE-2018-19862, and CVE-2019-17601. NOTE: this product is discontinued.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.7th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-13768?
CVE-2020-13768 is a critical-severity vulnerability in Minishare Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-06-04.
How severe is CVE-2020-13768?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-13768 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.