Vulnerability Monitor

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CVE-2021-29488

SABnzbd is an open source binary newsreader. A vulnerability was discovered in SABnzbd that could trick the `filesystem.renamer()` function into writing downloaded files outside the configured Download Folder via malicious PAR2 files. A patch was released as part of SABnzbd 3.2.1RC1. As a workaround, limit downloads to NZBs without PAR2 files, deny write permissions to the SABnzbd process outside areas it must access to perform its job, or update to a fixed version.

Published

2021-05-07T15:15:07.503

Last Modified

2024-11-21T06:01:14.553

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-23
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application sabnzbd sabnzbd < 3.0.0 Yes
Operating System microsoft windows - No
Application sabnzbd sabnzbd < 3.2.1 Yes
Operating System apple macos - No
Operating System linux linux_kernel - No
References