cnvd - cnvd-2016-03221

cnvd-2016-03221

Vulnerability from cnvd

Title: Libksba差一错误漏洞

Description:

Libksba是GNU计划开发的GnuPG项目中的一个可简单化X.509证书、CMS数据和相关对象的工作任务的库。

Libksba的src/dn.c文件中存在差一错误漏洞，攻击者可利用该漏洞造成_ksba_dn_to_str中的OOB读取访问。

Severity: 中

Patch Name: Libksba差一错误漏洞的补丁

Patch Description:

Libksba是GNU计划开发的GnuPG项目中的一个可简单化X.509证书、CMS数据和相关对象的工作任务的库。

Libksba的src/dn.c文件中存在差一错误漏洞，攻击者可利用该漏洞造成_ksba_dn_to_str中的OOB读取访问。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://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75

Reference: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75

Impacted products

Name
Libksba Libksba

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-4574"
    }
  },
  "description": "Libksba\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684GnuPG\u9879\u76ee\u4e2d\u7684\u4e00\u4e2a\u53ef\u7b80\u5355\u5316X.509\u8bc1\u4e66\u3001CMS\u6570\u636e\u548c\u76f8\u5173\u5bf9\u8c61\u7684\u5de5\u4f5c\u4efb\u52a1\u7684\u5e93\u3002\r\n\r\nLibksba\u7684src/dn.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210_ksba_dn_to_str\u4e2d\u7684OOB\u8bfb\u53d6\u8bbf\u95ee\u3002",
  "discovererName": "unknown",
  "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://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03221",
  "openTime": "2016-05-17",
  "patchDescription": "Libksba\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684GnuPG\u9879\u76ee\u4e2d\u7684\u4e00\u4e2a\u53ef\u7b80\u5355\u5316X.509\u8bc1\u4e66\u3001CMS\u6570\u636e\u548c\u76f8\u5173\u5bf9\u8c61\u7684\u5de5\u4f5c\u4efb\u52a1\u7684\u5e93\u3002\r\n\r\nLibksba\u7684src/dn.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210_ksba_dn_to_str\u4e2d\u7684OOB\u8bfb\u53d6\u8bbf\u95ee\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": "Libksba\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Libksba Libksba"
  },
  "referenceLink": "http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75",
  "serverity": "\u4e2d",
  "submitTime": "2016-05-12",
  "title": "Libksba\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2016-4574 (GCVE-0-2016-4574)

Vulnerability from cvelistv5

Published

2016-06-13 19:00

Modified

2024-08-06 00:32

Severity ?

CWE

Summary

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2016/05/10/3	mailing-list, x_refsource_MLIST
	http://www.ubuntu.com/usn/USN-2982-1	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2016/05/10/4	mailing-list, x_refsource_MLIST
	http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html	vendor-advisory, x_refsource_SUSE
	http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75	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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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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