CVE-2023-3739 — Insufficient validation of untrusted input in Chromad in Google Chrome on Chrome

Insufficient validation of untrusted input in Chromad in Google Chrome on ChromeOS prior to 115.0.5790.131 allowed a remote attacker to execute arbitrary code via a crafted shell script. (Chromium security severity: Low)

01What is this vulnerability?

Insufficient validation of untrusted input in Chromad in Google Chrome on ChromeOS prior to 115.0.5790.131 allowed a remote attacker to execute arbitrary code via a crafted shell script. (Chromium security severity: Low)

02Affected products

Vendor	Product	Versions
Google	Chrome	115.0.5790.131

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

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: 2023-08-01T22:39:18.614Z
• Last modified: 2024-08-02T07:01:57.561Z

09References

• chromereleases.googleblog.com — https://chromereleases.googleblog.com/2023/07/stable-channel-update-for-chromeos…
• crbug.com — https://crbug.com/1398986