HTTP Response Splitting Affecting restsharp package, versions [107.0.0-preview.1,112.0.0)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-RESTSHARP-7853196
- published30 Aug 2024
- disclosed29 Aug 2024
- creditsofiaml, Tanner Barnes
Introduced: 29 Aug 2024
CVE-2024-45302 (opens in a new tab)How to fix?
Upgrade RestSharp to version 112.0.0 or higher.
Overview
RestSharp is a Simple REST and HTTP API Client
Affected versions of this package are vulnerable to HTTP Response Splitting via the HttpHeaders.TryAddWithoutValidation method. An attacker can manipulate HTTP headers and potentially perform HTTP request smuggling by inserting CRLF sequences into header values.
PoC
dotnet RestSharp-cli.dll $'test\r\nUser-Agent: injected header!\r\n\r\nGET /smuggled HTTP/1.1\r\nHost: insert.some.site.here'