{"id":"CVE-2022-39224","aliases":["EUVD-2022-6740","GHSA-88cv-mj24-8w3q"],"status":"published","title":"Arbitrary shell execution when extracting or listing files contained in a malicious rpm.","description":"Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious \"payload compressor\" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01457,"percentile":0.73714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2022-09-21T17:00:12Z","modified":"2026-10-28T02:31:13Z","fixes":[{"ecosystem":"RubyGems","package":"arr-pm","fixed_in":["0.0.12"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"arr-pm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.12"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"arr-pm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.12"}]}],"versions":["0.0.10","0.0.11","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.0.9"]}],"products":[{"vendor":"jordansissel","product":"ruby-arr-pm"},{"vendor":"ruby-arr-pm_project","product":"ruby-arr-pm"}],"references":[{"url":"https://github.com/jordansissel/ruby-arr-pm/security/advisories/GHSA-88cv-mj24-8w3q","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","advisory","web"]},{"url":"https://github.com/jordansissel/ruby-arr-pm/pull/15","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/jordansissel/ruby-arr-pm/pull/14","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39224","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/arr-pm/CVE-2022-39224.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-88cv-mj24-8w3q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39224.json","tags":["advisory"]},{"url":"https://github.com/jordansissel/ruby-arr-pm","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-39224","title":"Arbitrary shell execution when extracting or listing files contained in a malicious rpm.","description":"Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious \"payload compressor\" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.","status":"published","published":"2022-09-21T23:10:08Z","modified":"2025-04-22T17:21:08.754Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:34:39.559326Z"}],"euvd":[{"id":"EUVD-2022-6740","description":"Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious \"payload compressor\" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.","status":"published","published":"2022-09-21T23:10:08Z","modified":"2025-04-22T17:21:08Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:16.055056Z"}],"ghsa":[{"id":"GHSA-88cv-mj24-8w3q","title":"arr-pm vulnerable to arbitrary shell execution when extracting or listing files contained in a malicious rpm.","description":"### Impact\n\nArbitrary shell execution is possible when using RPM::File#files and RPM::File#extract if the RPM contains a malicious \"payload compressor\" field.\n\nThis vulnerability impacts the `extract` and `files` methods of the `RPM::File` class in the affected versions of this library.\n\n### Patches\n\nVersion 0.0.12 is available with a fix for these issues.\n\n### Workarounds\n\nWhen using an affected version of this library (arr-pm), ensure any RPMs being processed contain valid/known payload compressor values. Such values include: gzip, bzip2, xz, zstd, and lzma.\n\nYou can check the payload compressor field in an rpm by using the rpm command line tool. For example:\n\n```\n% rpm -qp example-1.0-1.x86_64.rpm --qf \"%{PAYLOADCOMPRESSOR}\\n\"\ngzip\n```\n\n### Impact on known dependent projects\n\nThis library is used by [fpm](https://github.com/jordansissel/fpm). The vulnerability may impact fpm only when using the flag `-s rpm` or `--input-type rpm` to convert a malicious rpm to another format. It does not impact creating rpms.\n\n### References\n\n* https://github.com/jordansissel/ruby-arr-pm/pull/14\n* https://github.com/jordansissel/ruby-arr-pm/pull/15\n\n### Credit\n\nThanks to @joernchen for reporting this problem and contributing to the resolution :)\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [the arr-pm issue tracker](https://github.com/jordansissel/ruby-arr-pm/)\n\n","status":"published","published":"2022-09-21T17:00:12Z","modified":"2023-01-31T05:04:31Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:36:29.957996Z"}],"nvd":[{"id":"CVE-2022-39224","description":"Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious \"payload compressor\" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.","status":"published","published":"2022-09-21T23:15:09.623Z","modified":"2026-06-17T04:57:56.9Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:28.501364Z"}],"osv":[{"id":"CVE-2022-39224","title":"Arbitrary shell execution when extracting or listing files contained in a malicious rpm.","description":"Arr-pm is an RPM reader/writer library written in Ruby. Versions prior to 0.0.12 are subject to OS command injection resulting in shell execution if the RPM contains a malicious \"payload compressor\" field. This vulnerability impacts the `extract` and `files` methods of the `RPM::File` class of this library. Version 0.0.12 patches these issues. A workaround for this issue is to ensure any RPMs being processed contain valid/known payload compressor values such as gzip, bzip2, xz, zstd, and lzma. The payload compressor field in an rpm can be checked by using the rpm command line tool.","status":"published","published":"2022-09-21T23:10:08Z","modified":"2026-10-28T02:31:13.130418292Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:44:26.53798Z"},{"id":"GHSA-88cv-mj24-8w3q","title":"arr-pm vulnerable to arbitrary shell execution when extracting or listing files contained in a malicious rpm.","description":"### Impact\n\nArbitrary shell execution is possible when using RPM::File#files and RPM::File#extract if the RPM contains a malicious \"payload compressor\" field.\n\nThis vulnerability impacts the `extract` and `files` methods of the `RPM::File` class in the affected versions of this library.\n\n### Patches\n\nVersion 0.0.12 is available with a fix for these issues.\n\n### Workarounds\n\nWhen using an affected version of this library (arr-pm), ensure any RPMs being processed contain valid/known payload compressor values. Such values include: gzip, bzip2, xz, zstd, and lzma.\n\nYou can check the payload compressor field in an rpm by using the rpm command line tool. For example:\n\n```\n% rpm -qp example-1.0-1.x86_64.rpm --qf \"%{PAYLOADCOMPRESSOR}\\n\"\ngzip\n```\n\n### Impact on known dependent projects\n\nThis library is used by [fpm](https://github.com/jordansissel/fpm). The vulnerability may impact fpm only when using the flag `-s rpm` or `--input-type rpm` to convert a malicious rpm to another format. It does not impact creating rpms.\n\n### References\n\n* https://github.com/jordansissel/ruby-arr-pm/pull/14\n* https://github.com/jordansissel/ruby-arr-pm/pull/15\n\n### Credit\n\nThanks to @joernchen for reporting this problem and contributing to the resolution :)\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [the arr-pm issue tracker](https://github.com/jordansissel/ruby-arr-pm/)\n\n","status":"published","published":"2022-09-21T17:00:12Z","modified":"2023-11-08T04:10:15.515035Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}