SABnzbd 3.2.0 PAR2 File filesystem.renamer path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in SABnzbd 3.2.0. The affected element is the function filesystem.renamer of the component PAR2 File Handler. The manipulation results in path traversal. This vulnerability was named CVE-2021-29488. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in SABnzbd 3.2.0. Affected is the function filesystem.renamer of the component PAR2 File Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on integrity, and availability.

The weakness was presented 05/07/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-29488. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 3.2.1RC1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SABnzbd 3.2.1RC1

Timelineinfo

03/30/2021 🔍
05/07/2021 +38 days 🔍
05/07/2021 +0 days 🔍
05/12/2021 +5 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29488 (🔍)
GCVE (CVE): GCVE-0-2021-29488
GCVE (VulDB): GCVE-100-174708

Entryinfo

Created: 05/07/2021 18:28
Updated: 05/12/2021 14:54
Changes: 05/07/2021 18:28 (38), 05/12/2021 14:53 (6), 05/12/2021 14:54 (1)
Complete: 🔍
Cache ID: 216::103

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