cnvd - cnvd-2021-38309

cnvd-2021-38309

Vulnerability from cnvd

Title: Telegram堆缓冲区溢出漏洞（CNVD-2021-38309）

Description:

Telegram是一款即时通信移动应用程序。

Telegram Android版7.1.0 (2090)之前版本、 iOS版7.1之前版本、macOS版7.1之前版本，rlottie库的自定义派生函数LOTGradient :: populate中存在堆缓冲区溢出漏洞。攻击者可利用该漏洞通过恶意动画标签在受害设备上访问越界的堆内存。

Severity: 中

Patch Name: Telegram堆缓冲区溢出漏洞（CNVD-2021-38309）的补丁

Patch Description:

Telegram是一款即时通信移动应用程序。

Telegram Android版7.1.0 (2090)之前版本、 iOS版7.1之前版本、macOS版7.1之前版本，rlottie库的自定义派生函数LOTGradient :: populate中存在堆缓冲区溢出漏洞。攻击者可利用该漏洞通过恶意动画标签在受害设备上访问越界的堆内存。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，详情请关注厂商主页： https://www.telegram.org/

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-31322

Impacted products

Name
['Telegram Telegram for Android <7.1.0 (2090)', 'Telegram Telegram for iOS <7.1', 'Telegram Telegram for macOS <7.1']

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31322",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-31322"
    }
  },
  "description": "Telegram\u662f\u4e00\u6b3e\u5373\u65f6\u901a\u4fe1\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002\n\nTelegram Android\u72487.1.0 (2090)\u4e4b\u524d\u7248\u672c\u3001 iOS\u72487.1\u4e4b\u524d\u7248\u672c\u3001macOS\u72487.1\u4e4b\u524d\u7248\u672c\uff0crlottie\u5e93\u7684\u81ea\u5b9a\u4e49\u6d3e\u751f\u51fd\u6570LOTGradient :: populate\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6076\u610f\u52a8\u753b\u6807\u7b7e\u5728\u53d7\u5bb3\u8bbe\u5907\u4e0a\u8bbf\u95ee\u8d8a\u754c\u7684\u5806\u5185\u5b58\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.telegram.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-38309",
  "openTime": "2021-06-01",
  "patchDescription": "Telegram\u662f\u4e00\u6b3e\u5373\u65f6\u901a\u4fe1\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nTelegram Android\u72487.1.0 (2090)\u4e4b\u524d\u7248\u672c\u3001 iOS\u72487.1\u4e4b\u524d\u7248\u672c\u3001macOS\u72487.1\u4e4b\u524d\u7248\u672c\uff0crlottie\u5e93\u7684\u81ea\u5b9a\u4e49\u6d3e\u751f\u51fd\u6570LOTGradient :: populate\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6076\u610f\u52a8\u753b\u6807\u7b7e\u5728\u53d7\u5bb3\u8bbe\u5907\u4e0a\u8bbf\u95ee\u8d8a\u754c\u7684\u5806\u5185\u5b58\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\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-38309\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Telegram Telegram for Android \u003c7.1.0 (2090)",
      "Telegram Telegram for iOS \u003c7.1",
      "Telegram Telegram for macOS \u003c7.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-31322",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-20",
  "title": "Telegram\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-38309\uff09"
}

CVE-2021-31322 (GCVE-0-2021-31322)

Vulnerability from cvelistv5

Published

2021-05-18 19:43

Modified

2024-08-03 22:55

Severity ?

CWE

Summary

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Heap Buffer Overflow in the LOTGradient::populate function of their custom fork of the rlottie library. A remote attacker might be able to access heap memory out-of-bounds on a victim device via a malicious animated sticker.

References

▼	URL	Tags
	https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/	x_refsource_MISC
	https://www.shielder.it/advisories/telegram-rlottie-lotgradient-populate-heap-buffer-overflow/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

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{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:55:53.581Z",
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            ],
            "url": "https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/"
          },
          {
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              "x_transferred"
            ],
            "url": "https://www.shielder.it/advisories/telegram-rlottie-lotgradient-populate-heap-buffer-overflow/"
          }
        ],
        "title": "CVE Program Container"
      }
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    "cna": {
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          "versions": [
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        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2021-05-18T19:43:37",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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        },
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          "url": "https://www.shielder.it/advisories/telegram-rlottie-lotgradient-populate-heap-buffer-overflow/"
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      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
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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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