CVE-2022-45145 — egg-compile

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

01What is this vulnerability?

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

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

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: 2022-12-10T00:00:00.000Z
• Last modified: 2025-04-23T13:54:51.643Z

09References

• lists.gnu.org — https://lists.gnu.org/archive/html/chicken-announce/2022-11/msg00000.html
• code.call-cc.org — https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=…
• code.call-cc.org — https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=…