cnvd - cnvd-2021-28728

cnvd-2021-28728

Vulnerability from cnvd

Title: libslirp内存错误引用漏洞

Description:

libslirp是一款用于在虚拟机管理程序中管理虚拟网络服务的通用TCP-IP模拟器。

libslirp 4.2.0及之前版本中的ip_input.c文件的'ip_reass()'函数存在安全漏洞。攻击者可通过特制的数据包利用该漏洞导致拒绝服务。

Severity: 低

Patch Name: libslirp内存错误引用漏洞的补丁

Patch Description:

libslirp是一款用于在虚拟机管理程序中管理虚拟网络服务的通用TCP-IP模拟器。

libslirp 4.2.0及之前版本中的ip_input.c文件的'ip_reass()'函数存在安全漏洞。攻击者可通过特制的数据包利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-1983

Impacted products

Name
libslirp libslirp <=4.2.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-1983"
    }
  },
  "description": "libslirp\u662f\u4e00\u6b3e\u7528\u4e8e\u5728\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8f\u4e2d\u7ba1\u7406\u865a\u62df\u7f51\u7edc\u670d\u52a1\u7684\u901a\u7528TCP-IP\u6a21\u62df\u5668\u3002\n\nlibslirp 4.2.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684ip_input.c\u6587\u4ef6\u7684\u0027ip_reass()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28728",
  "openTime": "2021-04-16",
  "patchDescription": "libslirp\u662f\u4e00\u6b3e\u7528\u4e8e\u5728\u865a\u62df\u673a\u7ba1\u7406\u7a0b\u5e8f\u4e2d\u7ba1\u7406\u865a\u62df\u7f51\u7edc\u670d\u52a1\u7684\u901a\u7528TCP-IP\u6a21\u62df\u5668\u3002\r\n\r\nlibslirp 4.2.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684ip_input.c\u6587\u4ef6\u7684\u0027ip_reass()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "libslirp\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libslirp libslirp \u003c=4.2.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-1983",
  "serverity": "\u4f4e",
  "submitTime": "2020-04-23",
  "title": "libslirp\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2020-1983 (GCVE-0-2020-1983)

Vulnerability from cvelistv5

Published

2020-04-22 19:30

Modified

2024-09-16 19:41

Severity ?

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

CWE

CWE-416 - Use After Free

Summary

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

References

▼	URL	Tags
	https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20	x_refsource_MISC
	https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04	x_refsource_MISC
	https://www.debian.org/security/2020/dsa-4665	vendor-advisory, x_refsource_DEBIAN
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4372-1/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	slirp	libslirp	Version: unspecified <

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:54:00.401Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04"
          },
          {
            "name": "DSA-4665",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4665"
          },
          {
            "name": "FEDORA-2020-30c45be10c",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/"
          },
          {
            "name": "FEDORA-2020-1608d52724",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/"
          },
          {
            "name": "openSUSE-SU-2020:0636",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html"
          },
          {
            "name": "USN-4372-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4372-1/"
          },
          {
            "name": "openSUSE-SU-2020:0756",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html"
          },
          {
            "name": "[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html"
          },
          {
            "name": "[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libslirp",
          "vendor": "slirp",
          "versions": [
            {
              "lessThanOrEqual": "4.2.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was discovered by Aviv Sasson of Palo Alto Networks."
        }
      ],
      "datePublic": "2020-04-20T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "A public proof of concept is available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-26T13:06:09",
        "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
        "shortName": "palo_alto"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04"
        },
        {
          "name": "DSA-4665",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4665"
        },
        {
          "name": "FEDORA-2020-30c45be10c",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/"
        },
        {
          "name": "FEDORA-2020-1608d52724",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/"
        },
        {
          "name": "openSUSE-SU-2020:0636",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html"
        },
        {
          "name": "USN-4372-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4372-1/"
        },
        {
          "name": "openSUSE-SU-2020:0756",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html"
        },
        {
          "name": "[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html"
        },
        {
          "name": "[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
        }
      ],
      "source": {
        "defect": [
          "20"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "libslirp: use after free vulnerability cause a denial of service.",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@paloaltonetworks.com",
          "DATE_PUBLIC": "2020-04-20T20:28:00.000Z",
          "ID": "CVE-2020-1983",
          "STATE": "PUBLIC",
          "TITLE": "libslirp: use after free vulnerability cause a denial of service."
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libslirp",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "4.2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "slirp"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "This issue was discovered by Aviv Sasson of Palo Alto Networks."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service."
            }
          ]
        },
        "exploit": [
          {
            "lang": "en",
            "value": "A public proof of concept is available."
          }
        ],
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-416 Use After Free"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20",
              "refsource": "MISC",
              "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20"
            },
            {
              "name": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04",
              "refsource": "MISC",
              "url": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04"
            },
            {
              "name": "DSA-4665",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4665"
            },
            {
              "name": "FEDORA-2020-30c45be10c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/"
            },
            {
              "name": "FEDORA-2020-1608d52724",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/"
            },
            {
              "name": "openSUSE-SU-2020:0636",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html"
            },
            {
              "name": "USN-4372-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4372-1/"
            },
            {
              "name": "openSUSE-SU-2020:0756",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html"
            },
            {
              "name": "[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html"
            },
            {
              "name": "[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
            }
          ]
        },
        "source": {
          "defect": [
            "20"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2020-1983",
    "datePublished": "2020-04-22T19:30:14.844095Z",
    "dateReserved": "2019-12-04T00:00:00",
    "dateUpdated": "2024-09-16T19:41:29.761Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted