Buffer overflow in Swftools

CVE-2017-8400

In SWFTools 0.9.2, an out-of-bounds write of heap data can occur in the function png_load() in lib/png.c:755. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS; it might cause arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-8400?
CVE-2017-8400 is a high-severity vulnerability in Swftools, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2017-05-01.
How severe is CVE-2017-8400?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-8400 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.