Vulnerability-Lookup

CNVD-2020-49011

Vulnerability from cnvd - Published: 2020-08-28

Title

Zulip Server eval注入漏洞

Description

Zulip是一款功能强大的开源群聊应用程序，结合了即时聊天的即时性与线程化对话的生产力优势。Zulip Server是Zulip服务器。 Zulip Server存在eval注入漏洞。可直接写入postgres数据库的攻击者可通过写入特制自定义配置文件字段值利用该漏洞进行eval注入攻击。

Severity

中

Patch Name

Zulip Server eval注入漏洞的补丁

Patch Description

Zulip是一款功能强大的开源群聊应用程序，结合了即时聊天的即时性与线程化对话的生产力优势。Zulip Server是Zulip服务器。 Zulip Server存在eval注入漏洞。可直接写入postgres数据库的攻击者可通过写入特制自定义配置文件字段值利用该漏洞进行eval注入攻击。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

厂商已发布了漏洞修复程序，请及时关注更新： https://blog.zulip.com/2020/06/26/zulip-server-2-1-7-security-release/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-15070

Impacted products

Name
Zulip Zulip Server 2.*，<2.1.7

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2020-15070",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-15070"
    }
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  "description": "Zulip\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u5408\u4e86\u5373\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5316\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u3002Zulip Server\u662fZulip\u670d\u52a1\u5668\u3002\n\nZulip Server\u5b58\u5728eval\u6ce8\u5165\u6f0f\u6d1e\u3002\u53ef\u76f4\u63a5\u5199\u5165postgres\u6570\u636e\u5e93\u7684\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5199\u5165\u7279\u5236\u81ea\u5b9a\u4e49\u914d\u7f6e\u6587\u4ef6\u5b57\u6bb5\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884ceval\u6ce8\u5165\u653b\u51fb\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://blog.zulip.com/2020/06/26/zulip-server-2-1-7-security-release/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-49011",
  "openTime": "2020-08-28",
  "patchDescription": "Zulip\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5f00\u6e90\u7fa4\u804a\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u5408\u4e86\u5373\u65f6\u804a\u5929\u7684\u5373\u65f6\u6027\u4e0e\u7ebf\u7a0b\u5316\u5bf9\u8bdd\u7684\u751f\u4ea7\u529b\u4f18\u52bf\u3002Zulip Server\u662fZulip\u670d\u52a1\u5668\u3002\r\n\r\nZulip Server\u5b58\u5728eval\u6ce8\u5165\u6f0f\u6d1e\u3002\u53ef\u76f4\u63a5\u5199\u5165postgres\u6570\u636e\u5e93\u7684\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5199\u5165\u7279\u5236\u81ea\u5b9a\u4e49\u914d\u7f6e\u6587\u4ef6\u5b57\u6bb5\u503c\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884ceval\u6ce8\u5165\u653b\u51fb\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": "Zulip Server eval\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zulip Zulip Server 2.*\uff0c\u003c2.1.7"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-15070",
  "serverity": "\u4e2d",
  "submitTime": "2020-08-21",
  "title": "Zulip Server eval\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2020-15070 (GCVE-0-2020-15070)

Vulnerability from cvelistv5 – Published: 2020-08-21 04:28 – Updated: 2024-08-04 13:08

Summary

Zulip Server 2.x before 2.1.7 allows eval injection if a privileged attacker were able to write directly to the postgres database, and chose to write a crafted custom profile field value.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://blog.zulip.com/2020/06/26/zulip-server-2-…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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            "url": "https://blog.zulip.com/2020/06/26/zulip-server-2-1-7-security-release/"
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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.
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CNVD-2020-49011

CVE-2020-15070 (GCVE-0-2020-15070)

Tags

Sightings

Nomenclature

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