body-parser vulnerable to Denial of Service via trailing bytes after a compressed request body
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| body-parser | body-parser | unaffected |
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| Body-parser | Body-parser |
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| Source | ID | Title |
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Github GHSA |
GHSA-27r3-jxmh-p828 | body-parser vulnerable to Denial of Service via trailing bytes after a compressed request body |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.388% probability within 30 days)
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threat_severity
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ssvc
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| First Time appeared |
Body-parser
Body-parser body-parser |
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| Vendors & Products |
Body-parser
Body-parser body-parser |
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| Description | body-parser is body parsing middleware for Node.js and Express. In versions before 1.20.9 and in versions from 2.0.0 before 2.4.0, a single request can crash any application using body-parser with default options. When a request carries a Content-Encoding such as gzip, body-parser pipes it into a decompression stream and, after reading the body, leaves that stream with no error listener. A payload of one valid compressed frame followed by trailing bytes decodes and the application responds normally, but the trailing bytes then reach the already-finished decoder, which emits an error that is re-thrown as an uncaught exception and terminates the process. No matching route is required because body parsing runs before routing, so any endpoint that parses a body is affected. The issue is fixed in body-parser 2.4.0 and 1.20.9, and users should upgrade to one of those versions or later. As a workaround, disable request-body inflation (set the body-parser inflate option to false) so encoded requests are rejected before any decompression stream is created. | |
| Title | body-parser vulnerable to Denial of Service via trailing bytes after a compressed request body | |
| Weaknesses | CWE-248 | |
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| Metrics |
cvssV3_1
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