Vulnerabilites related to libuv - libuv
Vulnerability from fkie_nvd
Published
2024-02-07 22:15
Modified
2024-11-21 08:59
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Summary
libuv is a multi-platform support library with a focus on asynchronous I/O. The `uv_getaddrinfo` function in `src/unix/getaddrinfo.c` (and its windows counterpart `src/win/getaddrinfo.c`), truncates hostnames to 256 characters before calling `getaddrinfo`. This behavior can be exploited to create addresses like `0x00007f000001`, which are considered valid by `getaddrinfo` and could allow an attacker to craft payloads that resolve to unintended IP addresses, bypassing developer checks. The vulnerability arises due to how the `hostname_ascii` variable (with a length of 256 bytes) is handled in `uv_getaddrinfo` and subsequently in `uv__idna_toascii`. When the hostname exceeds 256 characters, it gets truncated without a terminating null byte. As a result attackers may be able to access internal APIs or for websites (similar to MySpace) that allows users to have `username.example.com` pages. Internal services that crawl or cache these user pages can be exposed to SSRF attacks if a malicious user chooses a long vulnerable username. This issue has been addressed in release version 1.48.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
References
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Vulnerability from fkie_nvd
Published
2020-02-11 17:15
Modified
2024-11-21 02:21
Severity ?
Summary
The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libuv | libuv | * | |
| microsoft | windows_server_2003 | - | |
| microsoft | windows_xp | - | |
| nodejs | node.js | * | |
| nodejs | node.js | * |
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cve-2024-24806
Vulnerability from cvelistv5
Published
2024-02-07 21:44
Modified
2025-02-13 17:40
Severity ?
EPSS score ?
Summary
libuv is a multi-platform support library with a focus on asynchronous I/O. The `uv_getaddrinfo` function in `src/unix/getaddrinfo.c` (and its windows counterpart `src/win/getaddrinfo.c`), truncates hostnames to 256 characters before calling `getaddrinfo`. This behavior can be exploited to create addresses like `0x00007f000001`, which are considered valid by `getaddrinfo` and could allow an attacker to craft payloads that resolve to unintended IP addresses, bypassing developer checks. The vulnerability arises due to how the `hostname_ascii` variable (with a length of 256 bytes) is handled in `uv_getaddrinfo` and subsequently in `uv__idna_toascii`. When the hostname exceeds 256 characters, it gets truncated without a terminating null byte. As a result attackers may be able to access internal APIs or for websites (similar to MySpace) that allows users to have `username.example.com` pages. Internal services that crawl or cache these user pages can be exposed to SSRF attacks if a malicious user chooses a long vulnerable username. This issue has been addressed in release version 1.48.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
References
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cve-2014-9748
Vulnerability from cvelistv5
Published
2020-02-11 16:54
Modified
2024-08-06 13:55
Severity ?
EPSS score ?
Summary
The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition.
References
| ▼ | URL | Tags |
|---|---|---|
| https://groups.google.com/forum/#%21msg/libuv/KyNnGEXR0OA/NWb605ev2LUJ | x_refsource_MISC | |
| https://github.com/libuv/libuv/issues/515 | x_refsource_MISC | |
| https://github.com/libuv/libuv/pull/516 | x_refsource_MISC | |
| https://github.com/nodejs/node/pull/2723 | x_refsource_MISC | |
| https://groups.google.com/forum/#%21topic/libuv/WO2cl9zasN8 | x_refsource_MISC |
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