What’s Vulnerable › Vulnerabilities

CVE-2022-45145

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-10 · updated 2026-06-17
• Weakness: CWE-78

Description

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.

Affected products

• chicken: from 5.0.0 before 5.3.1 — fixed in 5.3.1

How to fix

Upgrade to a fixed version: chicken 5.3.1. Check the vendor advisory for mitigations.

References

• https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=NEWS%3Bh=54888afff09353093453673c407cabfe76a5ce77%3Bhp=a3fd88a892f82c8353267f50509d018bbb1934b9%3Bhb=670478435a982fc4d1f001ea08669f53d35a51cd%3Bhpb=a08f8f548d772ef410c672ba33a27108d8d434f3
• https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=egg-compile.scm%3Bh=9ba4568113350ec75204cba55e43e27925e2d6fe%3Bhp=c1f2ceb0fb470f63c2ba2a1cf9d8d40083c2359f%3Bhb=a08f8f548d772ef410c672ba33a27108d8d434f3%3Bhpb=9c6fb001c25de4390f46ffd7c3c94237f4df92a9
• https://lists.gnu.org/archive/html/chicken-announce/2022-11/msg00000.html
• https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=NEWS%3Bh=54888afff09353093453673c407cabfe76a5ce77%3Bhp=a3fd88a892f82c8353267f50509d018bbb1934b9%3Bhb=670478435a982fc4d1f001ea08669f53d35a51cd%3Bhpb=a08f8f548d772ef410c672ba33a27108d8d434f3
• https://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=blobdiff%3Bf=egg-compile.scm%3Bh=9ba4568113350ec75204cba55e43e27925e2d6fe%3Bhp=c1f2ceb0fb470f63c2ba2a1cf9d8d40083c2359f%3Bhb=a08f8f548d772ef410c672ba33a27108d8d434f3%3Bhpb=9c6fb001c25de4390f46ffd7c3c94237f4df92a9
• https://lists.gnu.org/archive/html/chicken-announce/2022-11/msg00000.html

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