Vulnerability-Lookup

CNVD-2020-68858

Vulnerability from cnvd - Published: 2020-12-04

Title

Mozilla Thunderbird缓冲区溢出漏洞（CNVD-2020-68858）

Description

Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Thunderbird存在缓冲区溢出漏洞，攻击者可利用该漏洞可以通过SMTP服务器响应代码触发缓冲区溢出以触发拒绝服务，并可能运行代码。

Severity

高

Patch Name

Mozilla Thunderbird缓冲区溢出漏洞（CNVD-2020-68858）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.mozilla.org/en-US/security/advisories/mfsa2020-53/#CVE-2020-26970

Reference

https://vigilance.fr/vulnerability/Thunderbird-buffer-overflow-via-SMTP-Server-Response-Codes-34028

Impacted products

Name
Mozilla Thunderbird

Show details on source website

JSON

To clipboard

{
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    "cve": {
      "cveNumber": "CVE-2020-26970",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26970"
    }
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  "description": "Mozilla Thunderbird\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4eceMozilla Application Suite\u72ec\u7acb\u51fa\u6765\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u652f\u6301IMAP\u3001POP\u90ae\u4ef6\u534f\u8bae\u4ee5\u53caHTML\u90ae\u4ef6\u683c\u5f0f\u3002\n\nThunderbird\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7SMTP\u670d\u52a1\u5668\u54cd\u5e94\u4ee3\u7801\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\u4ee5\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\uff0c\u5e76\u53ef\u80fd\u8fd0\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-53/#CVE-2020-26970",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-68858",
  "openTime": "2020-12-04",
  "patchDescription": "Mozilla Thunderbird\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u4eceMozilla Application Suite\u72ec\u7acb\u51fa\u6765\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u652f\u6301IMAP\u3001POP\u90ae\u4ef6\u534f\u8bae\u4ee5\u53caHTML\u90ae\u4ef6\u683c\u5f0f\u3002\r\n\r\nThunderbird\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7SMTP\u670d\u52a1\u5668\u54cd\u5e94\u4ee3\u7801\u89e6\u53d1\u7f13\u51b2\u533a\u6ea2\u51fa\u4ee5\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\uff0c\u5e76\u53ef\u80fd\u8fd0\u884c\u4ee3\u7801\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": "Mozilla Thunderbird\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-68858\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Thunderbird"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Thunderbird-buffer-overflow-via-SMTP-Server-Response-Codes-34028",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-03",
  "title": "Mozilla Thunderbird\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-68858\uff09"
}

CVE-2020-26970 (GCVE-0-2020-26970)

Vulnerability from cvelistv5 – Published: 2020-12-09 00:26 – Updated: 2024-08-04 16:03

Summary

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1.

Severity

No CVSS data available.

CWE

Stack overflow due to incorrect parsing of SMTP server response codes

Assigner

mozilla mitre root

References

2 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1677338	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Mozilla	Thunderbird	Affected: < 78.5.1

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.