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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | chicken | No fix yet | — |
| Ubuntu 26.04 LTS | chicken | No fix yet | — |
| Ubuntu 25.10 | chicken | No fix yet | — |
| Ubuntu 24.04 LTS | chicken | No fix yet | — |
| Ubuntu 22.04 LTS | chicken | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | chicken | No fix yet | — |
| Ubuntu 18.04 LTS | chicken | No fix yet | — |
| Ubuntu 16.04 LTS | chicken | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | chicken | 5.3.0-r3 | — |
| Alpine v3.23 | chicken | 5.3.0-r3 | — |
| Alpine v3.22 | chicken | 5.3.0-r3 | — |
| Alpine v3.21 | chicken | 5.3.0-r3 | — |
| Alpine v3.20 | chicken | 5.3.0-r3 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | chicken | 5.3.0-r3 | — |
| Alpine v3.18 | chicken | 5.3.0-r3 | — |
References
- 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=egg-compile.scm%3Bh=9ba4568113350ec75204cba55e43e27925e2d6fe%3Bhp=c1f2ceb0fb470f63c2ba2a1cf9d8d40083c2359f%3Bhb=a08f8f548d772ef410c672ba33a27108d8d434f3%3Bhpb=9c6fb001c25de4390f46ffd7c3c94237f4df92a9
- 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