Vulnerability-Lookup

CNVD-2021-28728

Vulnerability from cnvd - Published: 2021-04-16

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 – Updated: 2024-09-16 19:41

Title

libslirp: use after free vulnerability cause a denial of service.

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.

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

Assigner

palo_alto mitre root Scorecard

References

10 references

URL	Tags
https://gitlab.freedesktop.org/slirp/libslirp/-/i…	x_refsource_MISC
https://gitlab.freedesktop.org/slirp/libslirp/-/c…	x_refsource_MISC
https://www.debian.org/security/2020/dsa-4665	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4372-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
slirp	libslirp	Affected: unspecified , ≤ 4.2.0 (custom)

Date Public

2020-04-20 00:00

Credits

This issue was discovered by Aviv Sasson of Palo Alto Networks.

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"
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            "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",
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            "tags": [
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html"
          },
          {
            "name": "[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html"
          },
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            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      ],
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        {
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          "url": "https://www.debian.org/security/2020/dsa-4665"
        },
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          "tags": [
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            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/"
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        {
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          "tags": [
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            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html"
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        {
          "name": "USN-4372-1",
          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2021-28728

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

Tags

Sightings

Nomenclature

Related by attack behaviour