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4 vulnerabilities found for libcurl by haxx

CVE-2024-7264 (GCVE-0-2024-7264)
Vulnerability from nvd
Published
2024-07-31 08:08
Modified
2025-11-03 22:32
Summary
libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents getting returned to the application when [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used.
Impacted products
Vendor Product Version
curl curl Version: 8.9.0    8.9.0
Version: 8.8.0    8.8.0
Version: 8.7.1    8.7.1
Version: 8.7.0    8.7.0
Version: 8.6.0    8.6.0
Version: 8.5.0    8.5.0
Version: 8.4.0    8.4.0
Version: 8.3.0    8.3.0
Version: 8.2.1    8.2.1
Version: 8.2.0    8.2.0
Version: 8.1.2    8.1.2
Version: 8.1.1    8.1.1
Version: 8.1.0    8.1.0
Version: 8.0.1    8.0.1
Version: 8.0.0    8.0.0
Version: 7.88.1    7.88.1
Version: 7.88.0    7.88.0
Version: 7.87.0    7.87.0
Version: 7.86.0    7.86.0
Version: 7.85.0    7.85.0
Version: 7.84.0    7.84.0
Version: 7.83.1    7.83.1
Version: 7.83.0    7.83.0
Version: 7.82.0    7.82.0
Version: 7.81.0    7.81.0
Version: 7.80.0    7.80.0
Version: 7.79.1    7.79.1
Version: 7.79.0    7.79.0
Version: 7.78.0    7.78.0
Version: 7.77.0    7.77.0
Version: 7.76.1    7.76.1
Version: 7.76.0    7.76.0
Version: 7.75.0    7.75.0
Version: 7.74.0    7.74.0
Version: 7.73.0    7.73.0
Version: 7.72.0    7.72.0
Version: 7.71.1    7.71.1
Version: 7.71.0    7.71.0
Version: 7.70.0    7.70.0
Version: 7.69.1    7.69.1
Version: 7.69.0    7.69.0
Version: 7.68.0    7.68.0
Version: 7.67.0    7.67.0
Version: 7.66.0    7.66.0
Version: 7.65.3    7.65.3
Version: 7.65.2    7.65.2
Version: 7.65.1    7.65.1
Version: 7.65.0    7.65.0
Version: 7.64.1    7.64.1
Version: 7.64.0    7.64.0
Version: 7.63.0    7.63.0
Version: 7.62.0    7.62.0
Version: 7.61.1    7.61.1
Version: 7.61.0    7.61.0
Version: 7.60.0    7.60.0
Version: 7.59.0    7.59.0
Version: 7.58.0    7.58.0
Version: 7.57.0    7.57.0
Version: 7.56.1    7.56.1
Version: 7.56.0    7.56.0
Version: 7.55.1    7.55.1
Version: 7.55.0    7.55.0
Version: 7.54.1    7.54.1
Version: 7.54.0    7.54.0
Version: 7.53.1    7.53.1
Version: 7.53.0    7.53.0
Version: 7.52.1    7.52.1
Version: 7.52.0    7.52.0
Version: 7.51.0    7.51.0
Version: 7.50.3    7.50.3
Version: 7.50.2    7.50.2
Version: 7.50.1    7.50.1
Version: 7.50.0    7.50.0
Version: 7.49.1    7.49.1
Version: 7.49.0    7.49.0
Version: 7.48.0    7.48.0
Version: 7.47.1    7.47.1
Version: 7.47.0    7.47.0
Version: 7.46.0    7.46.0
Version: 7.45.0    7.45.0
Version: 7.44.0    7.44.0
Version: 7.43.0    7.43.0
Version: 7.42.1    7.42.1
Version: 7.42.0    7.42.0
Version: 7.41.0    7.41.0
Version: 7.40.0    7.40.0
Version: 7.39.0    7.39.0
Version: 7.38.0    7.38.0
Version: 7.37.1    7.37.1
Version: 7.37.0    7.37.0
Version: 7.36.0    7.36.0
Version: 7.35.0    7.35.0
Version: 7.34.0    7.34.0
Version: 7.33.0    7.33.0
Version: 7.32.0    7.32.0
Create a notification for this product.
Show details on NVD website


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      "credits": [
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          "type": "finder",
          "value": "Dov Murik (Transmit Security)"
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        {
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          "type": "remediation developer",
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CVE-2023-38546 (GCVE-0-2023-38546)
Vulnerability from nvd
Published
2023-10-18 03:51
Modified
2025-11-04 19:17
Severity ?
Summary
This flaw allows an attacker to insert cookies at will into a running program using libcurl, if the specific series of conditions are met. libcurl performs transfers. In its API, an application creates "easy handles" that are the individual handles for single transfers. libcurl provides a function call that duplicates en easy handle called [curl_easy_duphandle](https://curl.se/libcurl/c/curl_easy_duphandle.html). If a transfer has cookies enabled when the handle is duplicated, the cookie-enable state is also cloned - but without cloning the actual cookies. If the source handle did not read any cookies from a specific file on disk, the cloned version of the handle would instead store the file name as `none` (using the four ASCII letters, no quotes). Subsequent use of the cloned handle that does not explicitly set a source to load cookies from would then inadvertently load cookies from a file named `none` - if such a file exists and is readable in the current directory of the program using libcurl. And if using the correct file format of course.
Impacted products
Vendor Product Version
curl curl Version: 8.4.0   
Create a notification for this product.
Show details on NVD website


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CVE-2024-7264 (GCVE-0-2024-7264)
Vulnerability from cvelistv5
Published
2024-07-31 08:08
Modified
2025-11-03 22:32
Summary
libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents getting returned to the application when [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used.
Impacted products
Vendor Product Version
curl curl Version: 8.9.0    8.9.0
Version: 8.8.0    8.8.0
Version: 8.7.1    8.7.1
Version: 8.7.0    8.7.0
Version: 8.6.0    8.6.0
Version: 8.5.0    8.5.0
Version: 8.4.0    8.4.0
Version: 8.3.0    8.3.0
Version: 8.2.1    8.2.1
Version: 8.2.0    8.2.0
Version: 8.1.2    8.1.2
Version: 8.1.1    8.1.1
Version: 8.1.0    8.1.0
Version: 8.0.1    8.0.1
Version: 8.0.0    8.0.0
Version: 7.88.1    7.88.1
Version: 7.88.0    7.88.0
Version: 7.87.0    7.87.0
Version: 7.86.0    7.86.0
Version: 7.85.0    7.85.0
Version: 7.84.0    7.84.0
Version: 7.83.1    7.83.1
Version: 7.83.0    7.83.0
Version: 7.82.0    7.82.0
Version: 7.81.0    7.81.0
Version: 7.80.0    7.80.0
Version: 7.79.1    7.79.1
Version: 7.79.0    7.79.0
Version: 7.78.0    7.78.0
Version: 7.77.0    7.77.0
Version: 7.76.1    7.76.1
Version: 7.76.0    7.76.0
Version: 7.75.0    7.75.0
Version: 7.74.0    7.74.0
Version: 7.73.0    7.73.0
Version: 7.72.0    7.72.0
Version: 7.71.1    7.71.1
Version: 7.71.0    7.71.0
Version: 7.70.0    7.70.0
Version: 7.69.1    7.69.1
Version: 7.69.0    7.69.0
Version: 7.68.0    7.68.0
Version: 7.67.0    7.67.0
Version: 7.66.0    7.66.0
Version: 7.65.3    7.65.3
Version: 7.65.2    7.65.2
Version: 7.65.1    7.65.1
Version: 7.65.0    7.65.0
Version: 7.64.1    7.64.1
Version: 7.64.0    7.64.0
Version: 7.63.0    7.63.0
Version: 7.62.0    7.62.0
Version: 7.61.1    7.61.1
Version: 7.61.0    7.61.0
Version: 7.60.0    7.60.0
Version: 7.59.0    7.59.0
Version: 7.58.0    7.58.0
Version: 7.57.0    7.57.0
Version: 7.56.1    7.56.1
Version: 7.56.0    7.56.0
Version: 7.55.1    7.55.1
Version: 7.55.0    7.55.0
Version: 7.54.1    7.54.1
Version: 7.54.0    7.54.0
Version: 7.53.1    7.53.1
Version: 7.53.0    7.53.0
Version: 7.52.1    7.52.1
Version: 7.52.0    7.52.0
Version: 7.51.0    7.51.0
Version: 7.50.3    7.50.3
Version: 7.50.2    7.50.2
Version: 7.50.1    7.50.1
Version: 7.50.0    7.50.0
Version: 7.49.1    7.49.1
Version: 7.49.0    7.49.0
Version: 7.48.0    7.48.0
Version: 7.47.1    7.47.1
Version: 7.47.0    7.47.0
Version: 7.46.0    7.46.0
Version: 7.45.0    7.45.0
Version: 7.44.0    7.44.0
Version: 7.43.0    7.43.0
Version: 7.42.1    7.42.1
Version: 7.42.0    7.42.0
Version: 7.41.0    7.41.0
Version: 7.40.0    7.40.0
Version: 7.39.0    7.39.0
Version: 7.38.0    7.38.0
Version: 7.37.1    7.37.1
Version: 7.37.0    7.37.0
Version: 7.36.0    7.36.0
Version: 7.35.0    7.35.0
Version: 7.34.0    7.34.0
Version: 7.33.0    7.33.0
Version: 7.32.0    7.32.0
Create a notification for this product.
Show details on NVD website


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CVE-2023-38546 (GCVE-0-2023-38546)
Vulnerability from cvelistv5
Published
2023-10-18 03:51
Modified
2025-11-04 19:17
Severity ?
Summary
This flaw allows an attacker to insert cookies at will into a running program using libcurl, if the specific series of conditions are met. libcurl performs transfers. In its API, an application creates "easy handles" that are the individual handles for single transfers. libcurl provides a function call that duplicates en easy handle called [curl_easy_duphandle](https://curl.se/libcurl/c/curl_easy_duphandle.html). If a transfer has cookies enabled when the handle is duplicated, the cookie-enable state is also cloned - but without cloning the actual cookies. If the source handle did not read any cookies from a specific file on disk, the cloned version of the handle would instead store the file name as `none` (using the four ASCII letters, no quotes). Subsequent use of the cloned handle that does not explicitly set a source to load cookies from would then inadvertently load cookies from a file named `none` - if such a file exists and is readable in the current directory of the program using libcurl. And if using the correct file format of course.
Impacted products
Vendor Product Version
curl curl Version: 8.4.0   
Create a notification for this product.
Show details on NVD website


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