CVE-2018-4039 — An exploitable out-of-bounds write vulnerability exists in the PNG implementatio

An exploitable out-of-bounds write vulnerability exists in the PNG implementation of Atlantis Word Processor, version 3.2.7.2. This can allow an attacker to corrupt memory, which can result in code execution under the context of the application. An attacker must convince a victim

01What is this vulnerability?

An exploitable out-of-bounds write vulnerability exists in the PNG implementation of Atlantis Word Processor, version 3.2.7.2. This can allow an attacker to corrupt memory, which can result in code execution under the context of the application. An attacker must convince a victim to open a specially crafted document in order to trigger this vulnerability.

02Affected products

Vendor	Product	Versions
Talos	Atlantis Word Processor	Atlantis Word Processor 3.2.7.1, 3.2.7.2

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

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-12-01T19:00:00.000Z
• Last modified: 2024-09-16T19:19:06.200Z

09References

• talosintelligence.com — https://talosintelligence.com/vulnerability_reports/TALOS-2018-0712