{"id":"CVE-2023-32676","aliases":["EUVD-2023-36917","GHSA-x9hj-r9q4-832c"],"status":"published","title":"Autolab tar slip in Install Assessment functionality (`GHSL-2023-081`)","description":"Autolab is a course management service that enables auto-graded programming assignments. A Tar slip vulnerability was found in the Install assessment functionality of Autolab. To exploit this vulnerability an authenticated attacker with instructor permissions needs to upload a specially crafted Tar file. Using the install assessment functionality an attacker can feed a Tar file that contain files with paths pointing outside of the target directory (e.g.,  `../../../../tmp/tarslipped1.sh`). When the Install assessment form is submitted the files inside of the archives are expanded to the attacker-chosen locations. This issue has been addressed in version 2.11.0. Users are advised to upgrade.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00906,"percentile":0.60118,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2023-05-26T22:44:09Z","modified":"2026-10-28T02:31:05Z","products":[{"vendor":"autolab","product":"autolab"},{"vendor":"autolabproject","product":"autolab"}],"references":[{"url":"https://github.com/autolab/Autolab/security/advisories/GHSA-x9hj-r9q4-832c","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/autolab/Autolab/commit/14f508484a8323eceb0cf3a128573b43eabbc80d","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://securitylab.github.com/advisories/GHSL-2023-081_GHSL-2023-082_Autolab/","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32676.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32676","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-32676","title":"Autolab tar slip in Install Assessment functionality (`GHSL-2023-081`)","description":"Autolab is a course management service that enables auto-graded programming assignments. A Tar slip vulnerability was found in the Install assessment functionality of Autolab. To exploit this vulnerability an authenticated attacker with instructor permissions needs to upload a specially crafted Tar file. Using the install assessment functionality an attacker can feed a Tar file that contain files with paths pointing outside of the target directory (e.g.,  `../../../../tmp/tarslipped1.sh`). When the Install assessment form is submitted the files inside of the archives are expanded to the attacker-chosen locations. This issue has been addressed in version 2.11.0. Users are advised to upgrade.","status":"published","published":"2023-05-26T22:44:09.157Z","modified":"2024-10-15T16:29:34.601Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:29.381004Z"}],"euvd":[{"id":"EUVD-2023-36917","description":"Autolab is a course management service that enables auto-graded programming assignments. A Tar slip vulnerability was found in the Install assessment functionality of Autolab. To exploit this vulnerability an authenticated attacker with instructor permissions needs to upload a specially crafted Tar file. Using the install assessment functionality an attacker can feed a Tar file that contain files with paths pointing outside of the target directory (e.g.,  `../../../../tmp/tarslipped1.sh`). When the Install assessment form is submitted the files inside of the archives are expanded to the attacker-chosen locations. This issue has been addressed in version 2.11.0. Users are advised to upgrade.","status":"published","published":"2023-05-26T22:44:09Z","modified":"2024-10-15T16:29:34Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:27:37.250145Z"}],"nvd":[{"id":"CVE-2023-32676","description":"Autolab is a course management service that enables auto-graded programming assignments. A Tar slip vulnerability was found in the Install assessment functionality of Autolab. To exploit this vulnerability an authenticated attacker with instructor permissions needs to upload a specially crafted Tar file. Using the install assessment functionality an attacker can feed a Tar file that contain files with paths pointing outside of the target directory (e.g.,  `../../../../tmp/tarslipped1.sh`). When the Install assessment form is submitted the files inside of the archives are expanded to the attacker-chosen locations. This issue has been addressed in version 2.11.0. Users are advised to upgrade.","status":"published","published":"2023-05-26T23:15:18.647Z","modified":"2026-06-17T05:59:22.03Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:08:03.200773Z"}],"osv":[{"id":"CVE-2023-32676","title":"Autolab tar slip in Install Assessment functionality (`GHSL-2023-081`)","description":"Autolab is a course management service that enables auto-graded programming assignments. A Tar slip vulnerability was found in the Install assessment functionality of Autolab. To exploit this vulnerability an authenticated attacker with instructor permissions needs to upload a specially crafted Tar file. Using the install assessment functionality an attacker can feed a Tar file that contain files with paths pointing outside of the target directory (e.g.,  `../../../../tmp/tarslipped1.sh`). When the Install assessment form is submitted the files inside of the archives are expanded to the attacker-chosen locations. This issue has been addressed in version 2.11.0. Users are advised to upgrade.","status":"published","published":"2023-05-26T22:44:09.157Z","modified":"2026-10-28T02:31:05.420108501Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}