Improper input validation in Apng2gif Project

CVE-2017-6961

An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations, resulting in a crash. This is related to the read_chunk function using the pChunk->size value (within the PNG file) to determine the amount of memory to allocate.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (52.7th 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)

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-6961?
CVE-2017-6961 is a medium-severity vulnerability in Apng2gif Project, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-03-17.
How severe is CVE-2017-6961?
Medium severity. CVSS v3 base score is 5.5 out of 10.