CVE-2023-32676
A Tar slip vulnerability was found in the Install assessment functionality of Autolab.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- autolabproject/autolab
- Source
- security-advisories@github.com
References
- https://github.com/autolab/Autolab/commit/14f508484a8323eceb0cf3a128573b43eabbc80dPatch
- https://github.com/autolab/Autolab/security/advisories/GHSA-x9hj-r9q4-832cVendor Advisory
- https://securitylab.github.com/advisories/GHSL-2023-081_GHSL-2023-082_Autolab/
- https://github.com/autolab/Autolab/commit/14f508484a8323eceb0cf3a128573b43eabbc80dPatch
- https://github.com/autolab/Autolab/security/advisories/GHSA-x9hj-r9q4-832cVendor Advisory
- https://securitylab.github.com/advisories/GHSL-2023-081_GHSL-2023-082_Autolab/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.