csaf_microsoft - msrc_cve-2024-24806

MSRC_CVE-2024-24806

Vulnerability from csaf_microsoft - Published: 2024-02-02 08:00 - Updated: 2024-12-04 00:00

Summary

Improper Domain Lookup that potentially leads to SSRF attacks in libuv

Notes

Additional Resources

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

Disclaimer

The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

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            "17084-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2024-02-12T00:00:00.000Z",
          "details": "1.43.0-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.3,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "17086-10",
            "17084-6",
            "17084-5",
            "17084-11",
            "17084-7",
            "17086-3",
            "17086-1",
            "17084-2",
            "17084-4",
            "17084-8",
            "17084-9"
          ]
        }
      ],
      "title": "Improper Domain Lookup that potentially leads to SSRF attacks in libuv"
    }
  ]
}

CVE-2024-24806 (GCVE-0-2024-24806)

Vulnerability from cvelistv5 – Published: 2024-02-07 21:44 – Updated: 2025-06-17 14:17

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.

Severity ?

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M

References

URL

Tags

	https://github.com/libuv/libuv/security/advisorie…	x_refsource_CONFIRM
	https://github.com/libuv/libuv/commit/0f2d7e784a2…	x_refsource_MISC
	https://github.com/libuv/libuv/commit/3530bcc3035…	x_refsource_MISC
	https://github.com/libuv/libuv/commit/c858a147643…	x_refsource_MISC
	https://github.com/libuv/libuv/commit/e0327e1d508…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2024/02/08/2
	http://www.openwall.com/lists/oss-security/2024/02/11/1
	https://lists.debian.org/debian-lts-announce/2024…
	http://www.openwall.com/lists/oss-security/2024/03/11/1
	https://security.netapp.com/advisory/ntap-2024060…
	https://gitlab.kitware.com/cmake/cmake/-/issues/26112

Impacted products

	Vendor	Product	Version
	libuv	libuv	Affected: >= 1.45.0, < 1.48.0

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

MSRC_CVE-2024-24806

CVE-2024-24806 (GCVE-0-2024-24806)

Tags

Sightings

Nomenclature