gsd-2021-44143
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.
Aliases
Aliases
CVE-2021-44143


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-44143",
    "description": "A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.",
    "id": "GSD-2021-44143",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-44143.html",
      "https://security.archlinux.org/CVE-2021-44143"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-44143"
      ],
      "details": "A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.",
      "id": "GSD-2021-44143",
      "modified": "2023-12-13T01:23:20.333979Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-44143",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                          "version_value": "n/a"
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                      ]
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          }
        ]
      },
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            "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804",
            "refsource": "MISC",
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804"
          },
          {
            "name": "https://sourceforge.net/p/isync/isync/ref/master/tags/",
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            "url": "https://sourceforge.net/p/isync/isync/ref/master/tags/"
          },
          {
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          },
          {
            "name": "[oss-security] 20211203 CVE-2021-44143: heap overflow in isync/mbsync",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/12/03/2"
          },
          {
            "name": "FEDORA-2021-577129851b",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/"
          },
          {
            "name": "FEDORA-2021-b7fdb7e69a",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/"
          },
          {
            "name": "GLSA-202208-15",
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            "url": "https://security.gentoo.org/glsa/202208-15"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:isync_project:isync:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.4.3",
                "versionStartIncluding": "1.4.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
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            ],
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          },
          {
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            "cpe_match": [
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                "cpe_name": [],
                "vulnerable": true
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://sourceforge.net/p/isync/isync/commit_browser",
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            },
            {
              "name": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804",
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            },
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            },
            {
              "name": "[oss-security] 20211203 CVE-2021-44143: heap overflow in isync/mbsync",
              "refsource": "MLIST",
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              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/12/03/2"
            },
            {
              "name": "FEDORA-2021-577129851b",
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            },
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            },
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              ],
              "url": "https://security.gentoo.org/glsa/202208-15"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-10-25T20:50Z",
      "publishedDate": "2021-11-22T20:15Z"
    }
  }
}


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