Vulnerability-Lookup

CNVD-2021-38323

Vulnerability from cnvd - Published: 2021-06-01

Title

Telegram Desktop存在未明漏洞（CNVD-2021-38323）

Description

Telegram是一款即时通信移动应用程序。Telegram Desktop是Telegram的桌面版。 Telegram Desktop 2.4.3及之前版本存在安全漏洞，该漏洞源于在导出电报数据向导中按下导出密钥时无需输入密码。攻击者可利用该漏洞获得访问所有聊天对话和媒体文件的权限。

Severity

低

Patch Name

Telegram Desktop存在未明漏洞（CNVD-2021-38323）的补丁

Patch Description

Telegram是一款即时通信移动应用程序。Telegram Desktop是Telegram的桌面版。 Telegram Desktop 2.4.3及之前版本存在安全漏洞，该漏洞源于在导出电报数据向导中按下导出密钥时无需输入密码。攻击者可利用该漏洞获得访问所有聊天对话和媒体文件的权限。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://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-25824

Impacted products

Name
Telegram Telegram Desktop <=2.4.3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25824",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-25824"
    }
  },
  "description": "Telegram\u662f\u4e00\u6b3e\u5373\u65f6\u901a\u4fe1\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002Telegram Desktop\u662fTelegram\u7684\u684c\u9762\u7248\u3002\n\nTelegram Desktop 2.4.3\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5bfc\u51fa\u7535\u62a5\u6570\u636e\u5411\u5bfc\u4e2d\u6309\u4e0b\u5bfc\u51fa\u5bc6\u94a5\u65f6\u65e0\u9700\u8f93\u5165\u5bc6\u7801\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u8bbf\u95ee\u6240\u6709\u804a\u5929\u5bf9\u8bdd\u548c\u5a92\u4f53\u6587\u4ef6\u7684\u6743\u9650\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\uff1ahttps://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38323",
  "openTime": "2021-06-01",
  "patchDescription": "Telegram\u662f\u4e00\u6b3e\u5373\u65f6\u901a\u4fe1\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002Telegram Desktop\u662fTelegram\u7684\u684c\u9762\u7248\u3002\r\n\r\nTelegram Desktop 2.4.3\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5bfc\u51fa\u7535\u62a5\u6570\u636e\u5411\u5bfc\u4e2d\u6309\u4e0b\u5bfc\u51fa\u5bc6\u94a5\u65f6\u65e0\u9700\u8f93\u5165\u5bc6\u7801\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u8bbf\u95ee\u6240\u6709\u804a\u5929\u5bf9\u8bdd\u548c\u5a92\u4f53\u6587\u4ef6\u7684\u6743\u9650\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": "Telegram Desktop\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-38323\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Telegram Telegram Desktop \u003c=2.4.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-25824",
  "serverity": "\u4f4e",
  "submitTime": "2020-10-20",
  "title": "Telegram Desktop\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-38323\uff09"
}

CVE-2020-25824 (GCVE-0-2020-25824)

Vulnerability from cvelistv5 – Published: 2020-10-14 14:10 – Updated: 2024-08-04 15:40

Summary

Telegram Desktop through 2.4.3 does not require passcode entry upon pushing the Export key within the Export Telegram Data wizard. The threat model is a victim who has voluntarily opened Export Wizard but is then distracted. An attacker then approaches the unattended desktop and pushes the Export key. This attacker may consequently gain access to all chat conversation and media files.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2310 records in the last 180 days details

References

4 references

URL	Tags
https://www.Telegram.org	x_refsource_MISC
https://github.com/soheilsamanabadi/vulnerability…	x_refsource_MISC
https://github.com/telegramdesktop/tdesktop/relea…	x_refsource_MISC
https://security.gentoo.org/glsa/202101-34	vendor-advisoryx_refsource_GENTOO

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:40:36.989Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.Telegram.org"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/soheilsamanabadi/vulnerability/blob/main/Telegram-Desktop-CVE-2020-25824"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3"
          },
          {
            "name": "GLSA-202101-34",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202101-34"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Telegram Desktop through 2.4.3 does not require passcode entry upon pushing the Export key within the Export Telegram Data wizard. The threat model is a victim who has voluntarily opened Export Wizard but is then distracted. An attacker then approaches the unattended desktop and pushes the Export key. This attacker may consequently gain access to all chat conversation and media files."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-27T17:06:12.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://www.Telegram.org"
        },
        {
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          ],
          "url": "https://github.com/soheilsamanabadi/vulnerability/blob/main/Telegram-Desktop-CVE-2020-25824"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3"
        },
        {
          "name": "GLSA-202101-34",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202101-34"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-25824",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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            }
          ]
        },
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        "references": {
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            {
              "name": "https://www.Telegram.org",
              "refsource": "MISC",
              "url": "https://www.Telegram.org"
            },
            {
              "name": "https://github.com/soheilsamanabadi/vulnerability/blob/main/Telegram-Desktop-CVE-2020-25824",
              "refsource": "MISC",
              "url": "https://github.com/soheilsamanabadi/vulnerability/blob/main/Telegram-Desktop-CVE-2020-25824"
            },
            {
              "name": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3",
              "refsource": "MISC",
              "url": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.4.3"
            },
            {
              "name": "GLSA-202101-34",
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              "url": "https://security.gentoo.org/glsa/202101-34"
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  },
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}

Sightings

Author	Source	Type	Date	Other

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.

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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Action not permitted

CNVD-2021-38323

CVE-2020-25824 (GCVE-0-2020-25824)

Tags

Sightings

Nomenclature

Related by attack behaviour