Critical · published December 6, 2022
🔥 A mishap in libcurl could lead to sending the wrong data during a POST request — like mistakenly putting the wrong order in the takeout bag! Think of it like a restaurant that uses the same chef for both pizza and pasta. If the chef forgets they’ve switched from making pizza to pasta, they might accidentally toss in a pepperoni instead of basil for your fettuccine. This flaw in libcurl’s request handling can lead to equally chaotic results! If an application is tricked into sending incorrect data or even accessing memory it shouldn't, the consequences could be absolutely devastating. This could lead to data corruption, unexpected application behavior, or even exposure of sensitive information, putting your users at risk and your application in jeopardy.
Think of it like a restaurant that uses the same chef for both pizza and pasta. If the chef forgets they’ve switched from making pizza to pasta, they might accidentally toss in a pepperoni instead of basil for your fettuccine. This flaw in libcurl’s request handling can lead to equally chaotic results! This vulnerability arises from libcurl reusing a handle intended for PUT requests, which can mistakenly invoke the read callback for POST requests when it shouldn't, leading to unexpected data being sent.
If an application is tricked into sending incorrect data or even accessing memory it shouldn't, the consequences could be absolutely devastating. This could lead to data corruption, unexpected application behavior, or even exposure of sensitive information, putting your users at risk and your application in jeopardy. To protect your application, update libcurl to the latest version, where this issue has been addressed. Review your code to ensure the proper handling of HTTP methods and consider implementing checks to prevent unintended function calls. It's time to strengthen your data handling! You've got this! Take these steps, and you'll be back on track in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| haxx/curl | < 7.86.0 | 7.86.0 |
| netapp/clustered_data_ontap | all versions | — |
| netapp/h300s_firmware | all versions | — |
| netapp/h500s_firmware | all versions | — |
| netapp/h700s_firmware | all versions | — |
| netapp/h410s_firmware | all versions | — |
| debian/debian_linux | all versions | — |
| debian/debian_linux | all versions | — |
| apple/macos | < 12.6.3 | 12.6.3 |
| splunk/universal_forwarder | ≥ 8.2.0, < 8.2.12 | 8.2.12 |
| splunk/universal_forwarder | ≥ 9.0.0, < 9.0.6 | 9.0.6 |
| splunk/universal_forwarder | all versions | — |