Buffer overflow in Pngwriter Project

CVE-2018-14047

An issue has been found in PNGwriter 0.7.0. It is a SEGV in pngwriter::readfromfile in pngwriter.cc. NOTE: there is a "Warning: PNGwriter was never designed for reading untrusted files with it. Do NOT use this in sensitive environments, especially DO NOT read PNGs from unknown sources with it!" statement in the master/README.md file

Vulnerability class: Buffer Overflow

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-14047?
CVE-2018-14047 is a medium-severity vulnerability in Pngwriter Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2018-07-13.
How severe is CVE-2018-14047?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-14047 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.