CVE-2017-6193 — Buffer overflow in APNGDis 2

Buffer overflow in APNGDis 2.8 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted image containing a malformed image size descriptor in the IHDR chunk.

01What is this vulnerability?

Buffer overflow in APNGDis 2.8 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted image containing a malformed image size descriptor in the IHDR chunk.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-02-20T16:00:00.000Z
• Last modified: 2024-08-05T15:25:48.448Z

09References

• www.onvio.nl — https://www.onvio.nl/nieuws/cve-2017-6192-apngdis-width-height-buffer-overflow
• www.exploit-db.com — https://www.exploit-db.com/exploits/41668/
• www.securityfocus.com — http://www.securityfocus.com/bid/97053
• www.exploit-db.com — https://www.exploit-db.com/exploits/41669/