CVE-2020-7039 (GCVE-0-2020-7039)

Vulnerability from cvelistv5 – Published: 2020-01-16 22:51 – Updated: 2024-08-04 09:18
VLAI
Summary
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.
Severity
5.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2316 records in the last 180 days details
References
Show details on NVD website
To clipboard 

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          {
            "source": "cve@mitre.org",
            "tags": [
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            "url": "https://www.debian.org/security/2020/dsa-4616"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html"
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            "url": "http://www.openwall.com/lists/oss-security/2020/01/16/2"
          },
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://access.redhat.com/errata/RHSA-2020:0348"
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            "tags": [
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            "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80"
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            "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html"
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            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html"
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            "url": "https://seclists.org/bugtraq/2020/Feb/0"
          },
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            "url": "https://security.gentoo.org/glsa/202005-02"
          },
          {
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          },
          {
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            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4616"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-28T07:39:44+00:00",
      "cve": "CVE-2020-7039",
      "id": "CVE-2020-7039",
      "initial_release_date": "2020-01-07T00:00:00+00:00",
      "product_status:fixed": "2401",
      "product_status:known_affected": "23",
      "product_status:known_not_affected": "47",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-7039.json",
      "version": "3"
    }
  }
}



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