Published:2023/05/30 Last Updated:2023/05/30
JVN#95981715
Starlette vulnerable to directory traversal
Overview
Starlette contains a directory traversal vulnerability.
Products Affected
- Starlette versions 0.13.5 and later and prior to 0.27.0
Description
Starlette provided by Encode contains a directory traversal vulnerability (CWE-22).
Impact
Under certain conditions, a remote attacker may view files in a web service which was built using the product.
Solution
Update the software
Update the software according to the information provided by the developer.
The developer has released the following version that addresses the vulnerability.
- Starlette 0.27.0
Vendor Status
| Vendor | Link |
| Encode | Path traversal vulnerability in StaticFiles |
| Release Version 0.27.0 |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score:
3.7
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:M/Au:N/C:P/I:N/A:N
Base Score:
4.3
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Masashi Yamane of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2023-29159 |
| JVN iPedia |
JVNDB-2023-000056 |