Vulnerability-Lookup

CNVD-2015-01820

Vulnerability from cnvd - Published: 2015-03-19

Title

eCryptfs信息泄露漏洞

Description

eCryptfs（Enterprise Cryptographic Filesystem，企业加密文件系统）是软件开发者Dustin Kirkland和Tyler Hicks共同维护的的一套适用于加密Linux系统的磁盘加密软件。 eCryptfs 104及之前版本中存在安全漏洞，该漏洞源于程序加密安装密码时使用默认的‘salt’值。攻击者利用该漏洞可通过实施暴力破解攻击获取用户密码。

Severity

中

Patch Name

eCryptfs信息泄露漏洞的补丁

Patch Description

eCryptfs（Enterprise Cryptographic Filesystem，企业加密文件系统）是软件开发者Dustin Kirkland和Tyler Hicks共同维护的的一套适用于加密Linux系统的磁盘加密软件。eCryptfs 104及之前版本中存在安全漏洞，该漏洞源于程序加密安装密码时使用默认的‘salt’值。攻击者利用该漏洞可通过实施暴力破解攻击获取用户密码。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://ecryptfs.org/downloads.html

Reference

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9687

Impacted products

Name
eCryptfs.org eCryptfs 104

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9687"
    }
  },
  "description": "eCryptfs\uff08Enterprise Cryptographic Filesystem\uff0c\u4f01\u4e1a\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf\uff09\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Dustin Kirkland\u548cTyler Hicks\u5171\u540c\u7ef4\u62a4\u7684\u7684\u4e00\u5957\u9002\u7528\u4e8e\u52a0\u5bc6Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u52a0\u5bc6\u8f6f\u4ef6\u3002\r\n\r\neCryptfs 104\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u52a0\u5bc6\u5b89\u88c5\u5bc6\u7801\u65f6\u4f7f\u7528\u9ed8\u8ba4\u7684\u2018salt\u2019\u503c\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u5b9e\u65bd\u66b4\u529b\u7834\u89e3\u653b\u51fb\u83b7\u53d6\u7528\u6237\u5bc6\u7801\u3002",
  "discovererName": "eCryptfs.org",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://ecryptfs.org/downloads.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01820",
  "openTime": "2015-03-19",
  "patchDescription": "eCryptfs\uff08Enterprise Cryptographic Filesystem\uff0c\u4f01\u4e1a\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf\uff09\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Dustin Kirkland\u548cTyler Hicks\u5171\u540c\u7ef4\u62a4\u7684\u7684\u4e00\u5957\u9002\u7528\u4e8e\u52a0\u5bc6Linux\u7cfb\u7edf\u7684\u78c1\u76d8\u52a0\u5bc6\u8f6f\u4ef6\u3002eCryptfs 104\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u52a0\u5bc6\u5b89\u88c5\u5bc6\u7801\u65f6\u4f7f\u7528\u9ed8\u8ba4\u7684\u2018salt\u2019\u503c\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u901a\u8fc7\u5b9e\u65bd\u66b4\u529b\u7834\u89e3\u653b\u51fb\u83b7\u53d6\u7528\u6237\u5bc6\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": "eCryptfs\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "eCryptfs.org eCryptfs 104"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9687",
  "serverity": "\u4e2d",
  "submitTime": "2015-03-18",
  "title": "eCryptfs\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2014-9687 (GCVE-0-2014-9687)

Vulnerability from cvelistv5 – Published: 2015-03-16 14:00 – Updated: 2024-08-06 13:55

Summary

eCryptfs 104 and earlier uses a default salt to encrypt the mount passphrase, which makes it easier for attackers to obtain user passwords via a brute force attack.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2015/02/28/3	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2015/02/17/7	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2015/0…	mailing-listx_refsource_MLIST
https://bugs.launchpad.net/ecryptfs/+bug/906550	x_refsource_MISC
http://www.ubuntu.com/usn/USN-2524-1	vendor-advisoryx_refsource_UBUNTU

Date Public

2014-02-28 00:00

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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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.
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CNVD-2015-01820

CVE-2014-9687 (GCVE-0-2014-9687)

Tags

Sightings

Nomenclature

Related by attack behaviour