csaf_redhat - rhsa-2024

rhsa-2024_2011

Vulnerability from csaf_redhat

Published

2024-04-23 17:29

Modified

2024-11-23 02:03

Summary

Red Hat Security Advisory: Satellite Client Async Security Update

Notes

Topic

Updated Satellite Client packages that fixes Important security bugs and regular bugs are now available for Red Hat Satellite.

Details

Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments. Security fix: * puppet-agent: curl heap based buffer overflow in the SOCKS5 proxy handshake (CVE-2023-38545)

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "title": "Topic"
      },
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        "category": "general",
        "text": "Red Hat Satellite is a system management solution that allows organizations\nto configure and maintain their systems without the necessity to provide\npublic Internet access to their servers or other client systems. It\nperforms provisioning and configuration management of predefined standard\noperating environments.\n\nSecurity fix:\n* puppet-agent: curl heap based buffer overflow in the SOCKS5 proxy handshake (CVE-2023-38545)",
        "title": "Details"
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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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          "category": "description",
          "text": "A heap-based buffer overflow flaw was found in the SOCKS5 proxy handshake in the Curl package. If Curl is unable to resolve the address itself, it passes the hostname to the SOCKS5 proxy. However, the maximum length of the hostname that can be passed is 255 bytes. If the hostname is longer, then Curl switches to the local name resolving and passes the resolved address only to the proxy. The local variable that instructs Curl to \"let the host resolve the name\" could obtain the wrong value during a slow SOCKS5 handshake, resulting in the too-long hostname being copied to the target buffer instead of the resolved address, which was not the intended behavior.",
          "title": "Vulnerability description"
        },
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          "text": "curl: heap based buffer overflow in the SOCKS5 proxy handshake",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This flaw does not affect the versions of curl as shipped with Red Hat Enterprise Linux 6, 7, and 8.\n\nAn overflow is only possible in applications that do not set `CURLOPT_BUFFERSIZE`, or set it smaller than approximately 65kB. Since the curl tool sets `CURLOPT_BUFFERSIZE` to 100kB by default, it is not vulnerable unless rate limiting was set by the user to a size smaller than 65kB.\n\nKnowledgebase article:\n\nhttps://access.redhat.com/solutions/7045099",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-38545",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-38545"
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        {
          "category": "external",
          "summary": "https://curl.se/docs/CVE-2023-38545.html",
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          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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            "6Server-satellite-client-6:puppet-agent-0:7.27.0-1.el6sat.x86_64",
            "7Client-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.src",
            "7Client-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.x86_64",
            "7ComputeNode-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.src",
            "7ComputeNode-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.x86_64",
            "7Server-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.src",
            "7Server-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.x86_64",
            "7Workstation-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.src",
            "7Workstation-satellite-client-6:puppet-agent-0:7.27.0-1.el7sat.x86_64",
            "8Base-satellite-client-6:puppet-agent-0:7.27.0-1.el8sat.src",
            "8Base-satellite-client-6:puppet-agent-0:7.27.0-1.el8sat.x86_64",
            "9Base-satellite-client-6:puppet-agent-0:7.27.0-1.el9sat.src",
            "9Base-satellite-client-6:puppet-agent-0:7.27.0-1.el9sat.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "curl: heap based buffer overflow in the SOCKS5 proxy handshake"
    }
  ]
}

cve-2023-38545

Vulnerability from cvelistv5

Published

2023-10-18 03:52

Modified

2024-10-17 21:16

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host name can be is 255 bytes. If the host name is detected to be longer, curl switches to local name resolving and instead passes on the resolved address only. Due to this bug, the local variable that means "let the host resolve the name" could get the wrong value during a slow SOCKS5 handshake, and contrary to the intention, copy the too long host name to the target buffer instead of copying just the resolved address there. The target buffer being a heap based buffer, and the host name coming from the URL that curl has been told to operate with.

References

▼	URL	Tags
	https://curl.se/docs/CVE-2023-38545.html
	https://security.netapp.com/advisory/ntap-20231027-0009/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGMXNRNSJ4ETDK6FRNU3J7SABXPWCHSQ/
	https://www.secpod.com/blog/high-severity-heap-buffer-overflow-vulnerability/
	https://support.apple.com/kb/HT214036
	https://support.apple.com/kb/HT214063
	https://support.apple.com/kb/HT214057
	https://support.apple.com/kb/HT214058
	http://seclists.org/fulldisclosure/2024/Jan/34
	http://seclists.org/fulldisclosure/2024/Jan/37
	http://seclists.org/fulldisclosure/2024/Jan/38
	https://security.netapp.com/advisory/ntap-20240201-0005/
	https://forum.vmssoftware.com/viewtopic.php?f=8&t=8868

Impacted products

Vendor

Product

Version

▼

curl

Version: 8.4.0 ≤

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 seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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