Vulnerability-Lookup

CNVD-2017-34233

Vulnerability from cnvd - Published: 2017-11-16

Title

Apache CouchDB权限提升漏洞

Description

Apache CouchDB是美国阿帕奇（Apache）软件基金会的一个免费、开源、面向文档的数据库，是一个使用JSON作为存储格式，JavaScript作为查询语言，MapReduce和HTTP作为API的NoSQL数据库。 Apache CouchDB 1.7.0之前的版本和2.1.1之前的2.x版本中存在权限提升漏洞，该漏洞源于基于rlang的JSON解析器和基于JavaScript的JSON解析器之间存在差异。攻击者可利用该漏洞访问任意的shell命令或获取管理员权限。

Severity

高

Patch Name

Apache CouchDB权限提升漏洞的补丁

Patch Description

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://lists.apache.org/thread.html/6c405bf3f8358e6314076be9f48c89a2e0ddf00539906291ebdf0c67@%3Cdev.couchdb.apache.org%3E

Reference

/6c405bf3f8358e6314076be9f48c89a2e0ddf00539906291ebdf0c67@%3Cdev.couchdb.apache.org%3E

Impacted products

Name
['Apache CouchDB <1.7.0', 'Apache CouchDB 2.x<2.1.1']

Show details on source website

JSON

To clipboard

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  "discovererName": "Max Justicz",
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CVE-2017-12635 (GCVE-0-2017-12635)

Vulnerability from cvelistv5 – Published: 2017-11-14 20:00 – Updated: 2024-09-17 01:31

Summary

Due to differences in the Erlang-based JSON parser and JavaScript-based JSON parser, it is possible in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to submit _users documents with duplicate keys for 'roles' used for access control within the database, including the special case '_admin' role, that denotes administrative users. In combination with CVE-2017-12636 (Remote Code Execution), this can be used to give non-admin users access to arbitrary shell commands on the server as the database system user. The JSON parser differences result in behaviour that if two 'roles' keys are available in the JSON, the second one will be used for authorising the document write, but the first 'roles' key is used for subsequent authorization for the newly created user. By design, users can not assign themselves roles. The vulnerability allows non-admin users to give themselves admin privileges.

Severity

No CVSS data available.

CWE

Information Disclosure

Assigner

apache mitre root

References

7 references

URL	Tags
https://www.exploit-db.com/exploits/44498/	exploitx_refsource_EXPLOIT-DB
https://www.exploit-db.com/exploits/45019/	exploitx_refsource_EXPLOIT-DB
https://lists.apache.org/thread.html/6c405bf3f835…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201711-16	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/101868	vdb-entryx_refsource_BID
https://support.hpe.com/hpsc/doc/public/display?d…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache CouchDB	Affected: 1.2.0 to 1.6.1 Affected: 2.0.0 to 2.1.0

Date Public

2017-11-14 00:00

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.