ghsa-p9m8-27x8-rg87
Vulnerability from github
Published
2021-11-15 23:27
Modified
2021-11-15 22:23
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
Critical vulnerability found in cron-utils
Details

Impact

A Template Injection was identified in cron-utils enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Versions up to 9.1.2 are susceptible to this vulnerability. Please note, that only projects using the @Cron annotation to validate untrusted Cron expressions are affected.

Patches

The issue was patched and a new version was released. Please upgrade to version 9.1.6.

Workarounds

There are no known workarounds up to this moment.

References

A description of the issue is provided in issue 461

For more information

If you have any questions or comments about this advisory:

Open an issue in the cron-utils Github repository

Show details on source website

To clipboard 

{
   affected: [
      {
         package: {
            ecosystem: "Maven",
            name: "com.cronutils:cron-utils",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "0",
                  },
                  {
                     fixed: "9.1.6",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2021-41269",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-94",
      ],
      github_reviewed: true,
      github_reviewed_at: "2021-11-15T22:23:17Z",
      nvd_published_at: "2021-11-15T21:15:00Z",
      severity: "CRITICAL",
   },
   details: "### Impact\nA Template Injection was identified in cron-utils enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Versions up to 9.1.2 are susceptible to this vulnerability. Please note, that only projects using the @Cron annotation to validate untrusted Cron expressions are affected.\n\n### Patches\nThe issue was patched and a new version was released. Please upgrade to version 9.1.6.\n\n### Workarounds\nThere are no known workarounds up to this moment.\n\n### References\nA description of the issue is provided in [issue 461](https://github.com/jmrozanec/cron-utils/issues/461)\n\n### For more information\nIf you have any questions or comments about this advisory:\n\nOpen an issue in the [cron-utils Github repository](https://github.com/jmrozanec/cron-utils)",
   id: "GHSA-p9m8-27x8-rg87",
   modified: "2021-11-15T22:23:17Z",
   published: "2021-11-15T23:27:11Z",
   references: [
      {
         type: "WEB",
         url: "https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87",
      },
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-41269",
      },
      {
         type: "WEB",
         url: "https://github.com/jmrozanec/cron-utils/issues/461",
      },
      {
         type: "WEB",
         url: "https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899da",
      },
      {
         type: "WEB",
         url: "https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9da",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/jmrozanec/cron-utils",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
   summary: "Critical vulnerability found in cron-utils",
}


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