Pepelink Balance firmware_process.cgi upfilepath Delete path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Pepelink Balance. This issue affects some unknown processing of the file cgi-bin/MANGA/firmware_process.cgi. The manipulation of the argument upfilepath leads to path traversal (Delete). This vulnerability is listed as CVE-2017-8841. The attack may be initiated remotely. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Pepelink Balance. This issue affects an unknown functionality of the file cgi-bin/MANGA/firmware_process.cgi. The manipulation of the argument upfilepath with an unknown input leads to a path traversal vulnerability (Delete). Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. The summary by CVE is:

Arbitrary file deletion exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The attack methodology is absolute path traversal in cgi-bin/MANGA/firmware_process.cgi via the upfile.path parameter.

The bug was discovered 06/05/2017. The weakness was presented 06/05/2017 (Website). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2017-8841. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42130). See VDB-101957, VDB-101958, VDB-101959 and VDB-101960 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 800970
OpenVAS Name: Peplink Balance Routers Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Balance fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093

Timelineinfo

05/08/2017 🔍
06/05/2017 +17088 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
06/25/2024 +2577 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2017-8841 (🔍)
GCVE (CVE): GCVE-0-2017-8841
GCVE (VulDB): GCVE-100-101963
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/05/2017 20:55
Updated: 06/25/2024 15:40
Changes: 06/05/2017 20:55 (65), 10/13/2019 17:25 (4), 06/25/2024 15:40 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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