cnvd - cnvd-2018-11783

cnvd-2018-11783

Vulnerability from cnvd

Title: Bouncy Castle JCE Provider AESFastEngine和AESEngine信息泄露漏洞

Description:

Bouncy Castle JCE Provider是一款基于Java的加密包。AESFastEngine和AESEngine都是其中的加密引擎。

Bouncy Castle JCE Provider 1.55及之前版本中的AESFastEngine和AESEngine存在安全漏洞。攻击者可利用该漏洞泄露有关AES密钥的信息。

Severity: 中

Patch Name: Bouncy Castle JCE Provider AESFastEngine和AESEngine信息泄露漏洞的补丁

Patch Description:

Bouncy Castle JCE Provider是一款基于Java的加密包。AESFastEngine和AESEngine都是其中的加密引擎。

Bouncy Castle JCE Provider 1.55及之前版本中的AESFastEngine和AESEngine存在安全漏洞。攻击者可利用该漏洞泄露有关AES密钥的信息。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:

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： http://www.bouncycastle.org/java.html

Reference: https://github.com/bcgit/bc-java/commit/413b42f4d770456508585c830cfcde95f9b0e93b#diff-54656f860db94b867ba7542430cd2ef0

Impacted products

Name
Bouncy Castle JCE Provider Bouncy Castle JCE Provider <1.55

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1000339"
    }
  },
  "description": "Bouncy Castle JCE Provider\u662f\u4e00\u6b3e\u57fa\u4e8eJava\u7684\u52a0\u5bc6\u5305\u3002AESFastEngine\u548cAESEngine\u90fd\u662f\u5176\u4e2d\u7684\u52a0\u5bc6\u5f15\u64ce\u3002\r\n\r\nBouncy Castle JCE Provider 1.55\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684AESFastEngine\u548cAESEngine\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6cc4\u9732\u6709\u5173AES\u5bc6\u94a5\u7684\u4fe1\u606f\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.bouncycastle.org/java.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-11783",
  "openTime": "2018-06-20",
  "patchDescription": "Bouncy Castle JCE Provider\u662f\u4e00\u6b3e\u57fa\u4e8eJava\u7684\u52a0\u5bc6\u5305\u3002AESFastEngine\u548cAESEngine\u90fd\u662f\u5176\u4e2d\u7684\u52a0\u5bc6\u5f15\u64ce\u3002\r\n\r\nBouncy Castle JCE Provider 1.55\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684AESFastEngine\u548cAESEngine\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6cc4\u9732\u6709\u5173AES\u5bc6\u94a5\u7684\u4fe1\u606f\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": "Bouncy Castle JCE Provider AESFastEngine\u548cAESEngine\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Bouncy Castle JCE Provider Bouncy Castle JCE Provider \u003c1.55"
  },
  "referenceLink": "https://github.com/bcgit/bc-java/commit/413b42f4d770456508585c830cfcde95f9b0e93b#diff-54656f860db94b867ba7542430cd2ef0",
  "serverity": "\u4e2d",
  "submitTime": "2018-06-06",
  "title": "Bouncy Castle JCE Provider AESFastEngine\u548cAESEngine\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2016-1000339 (GCVE-0-2016-1000339)

Vulnerability from cvelistv5

Published

2018-06-04 13:00

Modified

2024-08-06 03:55

Severity ?

CWE

Summary

In the Bouncy Castle JCE Provider version 1.55 and earlier the primary engine class used for AES was AESFastEngine. Due to the highly table driven approach used in the algorithm it turns out that if the data channel on the CPU can be monitored the lookup table accesses are sufficient to leak information on the AES key being used. There was also a leak in AESEngine although it was substantially less. AESEngine has been modified to remove any signs of leakage (testing carried out on Intel X86-64) and is now the primary AES class for the BC JCE provider from 1.56. Use of AESFastEngine is now only recommended where otherwise deemed appropriate.

References

▼	URL	Tags
	https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2018:2669	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/3727-1/	vendor-advisory, x_refsource_UBUNTU
	https://access.redhat.com/errata/RHSA-2018:2927	vendor-advisory, x_refsource_REDHAT
	https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
	https://github.com/bcgit/bc-java/commit/8a73f08931450c17c749af067b6a8185abdfd2c0#diff-494fb066bed02aeb76b6c005632943f2	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20181127-0004/	x_refsource_CONFIRM
	https://github.com/bcgit/bc-java/commit/413b42f4d770456508585c830cfcde95f9b0e93b#diff-54656f860db94b867ba7542430cd2ef0	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
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          },
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            "tags": [
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            "url": "https://access.redhat.com/errata/RHSA-2018:2669"
          },
          {
            "name": "USN-3727-1",
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              "x_refsource_UBUNTU",
              "x_transferred"
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            "url": "https://usn.ubuntu.com/3727-1/"
          },
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            "name": "RHSA-2018:2927",
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              "x_refsource_REDHAT",
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          },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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