ASUS RT-AC88U Download Master up to 3.1.0.105 Title task.asp productname injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ASUS RT-AC88U Download Master up to 3.1.0.105. The impacted element is an unknown function of the file /Main_Login.asp?flag=1&productname=RT-AC88U&url=/downloadmaster/task.asp of the component Title Handler. The manipulation of the argument productname results in injection. This vulnerability was named CVE-2020-29655. The attack may be performed from remote. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in ASUS RT-AC88U Download Master up to 3.1.0.105. It has been classified as problematic. Affected is some unknown functionality of the file /Main_Login.asp?flag=1&productname=RT-AC88U&url=/downloadmaster/task.asp of the component Title Handler. The manipulation of the argument productname with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on integrity.

The weakness was presented 12/08/2020 by Marc Ruef with scip AG as VDB-165678 as confirmed entry (VulDB). The advisory is available at vuldb.com. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2020-29655. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

A public exploit has been developed by Marc Ruef and been published immediately after the advisory. The exploit is shared for download at vuldb.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 91 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:Main_Login.asp?flag=1&productname=RT-AC88U&url=/downloadmaster/task.asp it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.1.0.108 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Marc Ruef
Download: 🔍
Google Hack: 🔍

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: 🔍
Exploit Delay Time: 🔍

Upgrade: RT-AC88U Download Master 3.1.0.108

Timelineinfo

09/08/2020 🔍
09/08/2020 +0 days 🔍
12/08/2020 +91 days 🔍
12/08/2020 +0 days 🔍
12/08/2020 +0 days 🔍
12/09/2020 +0 days 🔍
12/13/2020 +4 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: VDB-165678
Researcher: Marc Ruef
Organization: scip AG
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2020-29655 (🔍)
GCVE (CVE): GCVE-0-2020-29655
GCVE (VulDB): GCVE-100-165678
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/08/2020 08:03
Updated: 12/13/2020 09:21
Changes: 12/08/2020 08:03 (40), 12/08/2020 08:04 (17), 12/08/2020 08:05 (2), 12/08/2020 08:38 (7), 12/09/2020 09:20 (1), 12/13/2020 09:16 (2), 12/13/2020 09:21 (18)
Complete: 🔍
Cache ID: 216::103

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