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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
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CVE-2024-24806 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2024/02/08/2 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2024/02/11/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2024/03/11/1
https://github.com/libuv/libuv/commit/0f2d7e784a256b54b2385043438848047bc2a629 Patch 
https://github.com/libuv/libuv/commit/3530bcc30350d4a6ccf35d2f7b33e23292b9de70 Patch 
https://github.com/libuv/libuv/commit/c858a147643de38a09dd4164758ae5b685f2b488 Patch 
https://github.com/libuv/libuv/commit/e0327e1d508b8207c9150b6e582f0adf26213c39 Patch 
https://github.com/libuv/libuv/security/advisories/GHSA-f74f-cvh7-c6q6 Exploit  Vendor Advisory 
https://gitlab.kitware.com/cmake/cmake/-/issues/26112
https://lists.debian.org/debian-lts-announce/2024/03/msg00005.html
https://security.netapp.com/advisory/ntap-20240605-0008/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-918 Server-Side Request Forgery (SSRF) GitHub, Inc.  

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-24806
NVD Published Date:
02/07/2024
NVD Last Modified:
07/17/2024
Source:
GitHub, Inc.