Vulnerability-Lookup

CNVD-2017-10541

Vulnerability from cnvd - Published: 2017-06-21

Title

Libgcrypt 'cipher/ecc-eddsa.c'信息泄露漏洞

Description

Libgcrypt是GNU计划开发的一个基于GnuPG代码的通用加密库。该库实现了各种加密算法，包括对称密码、哈希算法、公开密钥算法等。 Libgcrypt 1.7.7之前的版本中存在信息泄露漏洞。攻击者可利用该漏洞获取密钥。

Severity

中

Patch Name

Libgcrypt 'cipher/ecc-eddsa.c'信息泄露漏洞的补丁

Patch Description

Libgcrypt是GNU计划开发的一个基于GnuPG代码的通用加密库。该库实现了各种加密算法，包括对称密码、哈希算法、公开密钥算法等。 Libgcrypt 1.7.7之前的版本中存在信息泄露漏洞。攻击者可利用该漏洞获取密钥。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，补丁获取链接： https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=f9494b3f258e01b6af8bd3941ce436bcc00afc56

Reference

https://bugzilla.suse.com/show_bug.cgi?id=1042326

Impacted products

Name
GNU Libgcrypt <1.7.7

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "99046"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9526"
    }
  },
  "description": "Libgcrypt\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u5e93\u5b9e\u73b0\u4e86\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u516c\u5f00\u5bc6\u94a5\u7b97\u6cd5\u7b49\u3002\r\n\r\nLibgcrypt 1.7.7\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5bc6\u94a5\u3002",
  "discovererName": "GNU",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=f9494b3f258e01b6af8bd3941ce436bcc00afc56",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-10541",
  "openTime": "2017-06-21",
  "patchDescription": "Libgcrypt\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eGnuPG\u4ee3\u7801\u7684\u901a\u7528\u52a0\u5bc6\u5e93\u3002\u8be5\u5e93\u5b9e\u73b0\u4e86\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u3001\u54c8\u5e0c\u7b97\u6cd5\u3001\u516c\u5f00\u5bc6\u94a5\u7b97\u6cd5\u7b49\u3002\r\n\r\nLibgcrypt 1.7.7\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u5bc6\u94a5\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": "Libgcrypt \u0027cipher/ecc-eddsa.c\u0027\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU Libgcrypt \u003c1.7.7"
  },
  "referenceLink": "https://bugzilla.suse.com/show_bug.cgi?id=1042326",
  "serverity": "\u4e2d",
  "submitTime": "2017-06-13",
  "title": "Libgcrypt \u0027cipher/ecc-eddsa.c\u0027\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2017-9526 (GCVE-0-2017-9526)

Vulnerability from cvelistv5 – Published: 2017-06-11 02:00 – Updated: 2024-08-05 17:11

Summary

In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
http://www.oracle.com/technetwork/security-adviso…	x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis…	x_refsource_CONFIRM
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcr…	x_refsource_CONFIRM
http://www.debian.org/security/2017/dsa-3880	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/99046	vdb-entryx_refsource_BID
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcr…	x_refsource_CONFIRM
https://bugzilla.suse.com/show_bug.cgi?id=1042326	x_refsource_CONFIRM

Date Public

2017-06-10 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:11:02.257Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=5a22de904a0a366ae79f03ff1e13a1232a89e26b"
          },
          {
            "name": "DSA-3880",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3880"
          },
          {
            "name": "99046",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/99046"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=f9494b3f258e01b6af8bd3941ce436bcc00afc56"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1042326"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-06-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-01-16T18:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=5a22de904a0a366ae79f03ff1e13a1232a89e26b"
        },
        {
          "name": "DSA-3880",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2017/dsa-3880"
        },
        {
          "name": "99046",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/99046"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=f9494b3f258e01b6af8bd3941ce436bcc00afc56"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1042326"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-9526",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
              "refsource": "CONFIRM",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
              "name": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=5a22de904a0a366ae79f03ff1e13a1232a89e26b",
              "refsource": "CONFIRM",
              "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=5a22de904a0a366ae79f03ff1e13a1232a89e26b"
            },
            {
              "name": "DSA-3880",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-3880"
            },
            {
              "name": "99046",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/99046"
            },
            {
              "name": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=f9494b3f258e01b6af8bd3941ce436bcc00afc56",
              "refsource": "CONFIRM",
              "url": "https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=f9494b3f258e01b6af8bd3941ce436bcc00afc56"
            },
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1042326",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1042326"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-9526",
    "datePublished": "2017-06-11T02:00:00.000Z",
    "dateReserved": "2017-06-10T00:00:00.000Z",
    "dateUpdated": "2024-08-05T17:11:02.257Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.

Action not permitted

CNVD-2017-10541

CVE-2017-9526 (GCVE-0-2017-9526)

Tags

Sightings

Nomenclature

Related by attack behaviour