CVE-2023-39150 — ConEmu before commit 230724 does not sanitize title responses correctly for cont

ConEmu before commit 230724 does not sanitize title responses correctly for control characters, potentially leading to arbitrary code execution. This is related to an incomplete fix for CVE-2022-46387.

01What is this vulnerability?

ConEmu before commit 230724 does not sanitize title responses correctly for control characters, potentially leading to arbitrary code execution. This is related to an incomplete fix for CVE-2022-46387.

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

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

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07Related CVEs

08Timeline

• Published: 2023-09-12T00:00:00.000Z
• Last modified: 2024-09-26T15:54:08.516Z

09References

• github.com — https://github.com/Maximus5/ConEmu/commit/60683a186628ffaa7689fcb64b3c38ced69287…
• gist.github.com — https://gist.github.com/dgl/081cf503dc635df39d844e058a6d4c88