CVE-2019-13627 (GCVE-0-2019-13627)

Vulnerability from cvelistv5 – Published: 2019-09-25 14:44 – Updated: 2026-10-14 06:50
VLAI
Summary
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2331 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Show details on NVD website
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        "id": "CVE-2019-13627",
        "lastModified": "2026-10-14T07:16:46.647",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "HIGH",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 2.6,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 1.9,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 6.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 5.2,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-09-25T15:15:11.877",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00018.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
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              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2019/10/02/2"
          },
          {
            "source": "cve@mitre.org",
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            "url": "https://github.com/gpg/libgcrypt/releases/tag/libgcrypt-1.8.5"
          },
          {
            "source": "cve@mitre.org",
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            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00024.html"
          },
          {
            "source": "cve@mitre.org",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00001.html"
          },
          {
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            "url": "https://minerva.crocs.fi.muni.cz/"
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          {
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            "url": "https://security-tracker.debian.org/tracker/CVE-2019-13627"
          },
          {
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            "url": "https://security.gentoo.org/glsa/202003-32"
          },
          {
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            "url": "https://usn.ubuntu.com/4236-1/"
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          },
          {
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00060.html"
          },
          {
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          },
          {
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            ],
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          },
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          {
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          },
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          },
          {
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          },
          {
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          },
          {
            "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-203"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-10-14T07:50:44+00:00",
      "cve": "CVE-2019-13627",
      "id": "CVE-2019-13627",
      "initial_release_date": "2019-10-02T00:00:00+00:00",
      "product_status:fixed": "26",
      "product_status:known_not_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libgcrypt: ECDSA timing attack allowing private key leak",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-13627.json",
      "version": "3"
    }
  }
}



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