Asus DSL-AC750 Password mod_login.asp http_passwd credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Asus DSL-AC51, DSL-AC52U, DSL-AC55U, DSL-N55U C1, DSL-N55U D1, DSL-AC56U, DSL-N10_C1, DSL-N12U C1, DSL-N12E C1, DSL-N14U, DSL-N14U-B1, DSL-N16, DSL-N16U, DSL-N17U, DSL-N66U and DSL-AC750. This impacts an unknown function of the file mod_login.asp of the component Password Handler. This manipulation of the argument http_passwd as part of Parameter causes credentials management. This vulnerability is tracked as CVE-2017-14698. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Asus DSL-AC51, DSL-AC52U, DSL-AC55U, DSL-N55U C1, DSL-N55U D1, DSL-AC56U, DSL-N10_C1, DSL-N12U C1, DSL-N12E C1, DSL-N14U, DSL-N14U-B1, DSL-N16, DSL-N16U, DSL-N17U, DSL-N66U and DSL-AC750. Affected by this vulnerability is an unknown code of the file mod_login.asp of the component Password Handler. The manipulation of the argument http_passwd as part of a Parameter leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ASUS DSL-AC51, DSL-AC52U, DSL-AC55U, DSL-N55U C1, DSL-N55U D1, DSL-AC56U, DSL-N10_C1, DSL-N12U C1, DSL-N12E C1, DSL-N14U, DSL-N14U-B1, DSL-N16, DSL-N16U, DSL-N17U, DSL-N66U, and DSL-AC750 routers allow remote attackers to change passwords of arbitrary users via the http_passwd parameter to mod_login.asp.

The bug was discovered 01/25/2018. The weakness was disclosed 01/29/2018 (Website). It is possible to read the advisory at asus.com. This vulnerability is known as CVE-2017-14698 since 09/22/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:mod_login.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-112628 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/22/2017 🔍
01/25/2018 +125 days 🔍
01/29/2018 +4 days 🔍
01/29/2018 +0 days 🔍
01/30/2018 +1 days 🔍
12/31/2019 +700 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: asus.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14698 (🔍)
GCVE (CVE): GCVE-0-2017-14698
GCVE (VulDB): GCVE-100-112627
See also: 🔍

Entryinfo

Created: 01/30/2018 08:05
Updated: 12/31/2019 10:41
Changes: 01/30/2018 08:05 (59), 12/31/2019 10:41 (2)
Complete: 🔍
Cache ID: 216::103

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