Vulnerability-Lookup

CNVD-2015-01394

Vulnerability from cnvd - Published: 2015-03-03

Title

jBCrypt整数溢出漏洞

Description

jBCrypt是一个java实现。 jBCrypt 0.4之前版本key-stretching实现中的the crypt_raw方法存在整数溢出漏洞，允许远程攻击者利用漏洞确定密码哈希值的明文值。

Severity

中

Patch Name

jBCrypt整数溢出漏洞的补丁

Patch Description

jBCrypt是一个java实现。jBCrypt 0.4之前版本key-stretching实现中的the crypt_raw方法存在整数溢出漏洞，允许远程攻击者利用漏洞确定密码哈希值的明文值。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

用户可联系供应商获得补丁信息： http://jvn.jp/en/jp/JVN77718330/index.html

Reference

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-0886

Impacted products

Name
Link jBCrypt <0.4

Show details on source website

JSON

To clipboard

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    "bid": {
      "bidNumber": "72962"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-0886"
    }
  },
  "description": "jBCrypt\u662f\u4e00\u4e2ajava\u5b9e\u73b0\u3002\r\n\r\njBCrypt  0.4\u4e4b\u524d\u7248\u672ckey-stretching\u5b9e\u73b0\u4e2d\u7684the crypt_raw\u65b9\u6cd5\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u786e\u5b9a\u5bc6\u7801\u54c8\u5e0c\u503c\u7684\u660e\u6587\u503c\u3002",
  "discovererName": "Marcus Rathsfeld",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://jvn.jp/en/jp/JVN77718330/index.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01394",
  "openTime": "2015-03-03",
  "patchDescription": "jBCrypt\u662f\u4e00\u4e2ajava\u5b9e\u73b0\u3002jBCrypt 0.4\u4e4b\u524d\u7248\u672ckey-stretching\u5b9e\u73b0\u4e2d\u7684the crypt_raw\u65b9\u6cd5\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u786e\u5b9a\u5bc6\u7801\u54c8\u5e0c\u503c\u7684\u660e\u6587\u503c\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": "jBCrypt\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Link jBCrypt  \u003c0.4"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-0886",
  "serverity": "\u4e2d",
  "submitTime": "2015-03-02",
  "title": "jBCrypt\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2015-0886 (GCVE-0-2015-0886)

Vulnerability from cvelistv5 – Published: 2015-02-28 02:00 – Updated: 2024-08-06 04:26

Summary

Integer overflow in the crypt_raw method in the key-stretching implementation in jBCrypt before 0.4 makes it easier for remote attackers to determine cleartext values of password hashes via a brute-force attack against hashes associated with the maximum exponent.

Severity

No CVSS data available.

CWE

Assigner

jpcert jpcert root

References

10 references

URL	Tags
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://jvn.jp/en/jp/JVN77718330/index.html	third-party-advisoryx_refsource_JVN
http://www.mindrot.org/projects/jBCrypt/news/rel04.html	x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000033	third-party-advisoryx_refsource_JVNDB
https://bugzilla.mindrot.org/show_bug.cgi?id=2097	x_refsource_CONFIRM
https://lists.apache.org/thread.html/rd5c2256b8dc…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re330cfe9e5d…	mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rbd23e3ac811…	mailing-listx_refsource_MLIST

Date Public

2015-01-30 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.

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.

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Action not permitted

CNVD-2015-01394

CVE-2015-0886 (GCVE-0-2015-0886)

Tags

Sightings

Nomenclature

Related by attack behaviour