Coder: Zip upload decompression lacks aggregate size limit, enabling denial of service
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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Configuration 1 [-]
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Github GHSA |
GHSA-2mg2-p7r7-g27f | Coder: Zip upload decompression lacks aggregate size limit, enabling denial of service |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.602% probability within 30 days)
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ssvc
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| First Time appeared |
Coder
Coder coder |
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| Vendors & Products |
Coder
Coder coder |
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| Description | Coder allows organizations to provision remote development environments via Terraform. Starting in version 2.17.0 and prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, `POST /api/v2/files` converts zip uploads to tar in memory via `CreateTarFromZip`, which enforced a per-entry size limit but no aggregate limit on total decompressed output, writing to an unbounded in-memory buffer. Exploitation requires authenticated file-upload access and the impact is limited to availability (denial of service). The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 adds a metadata preflight check that sums projected entry sizes and a streaming writer that enforces the aggregate limit during decompression. As a workaround, restrict file-upload permissions to trusted users or place a reverse proxy with request-body size limits in front of `coderd`. | |
| Title | Coder: Zip upload decompression lacks aggregate size limit, enabling denial of service | |
| Weaknesses | CWE-409 CWE-770 |
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| Metrics |
cvssV3_1
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