Tp-shop up to 2.0.5 Backdoor LinkTagTeet.php jmmy server-side request forgery

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.
8.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Tp-shop up to 2.0.5. This affects an unknown function of the file /vendor/phpdocumentor/reflection-docblock/tests/phpDocumentor/Reflection/DocBlock/Tag/LinkTagTeet.php of the component Backdoor. Executing a manipulation of the argument jmmy as part of Parameter can lead to server-side request forgery. The identification of this vulnerability is CVE-2018-9919. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Tp-shop up to 2.0.5. This vulnerability affects an unknown function of the file /vendor/phpdocumentor/reflection-docblock/tests/phpDocumentor/Reflection/DocBlock/Tag/LinkTagTeet.php of the component Backdoor. The manipulation of the argument jmmy as part of a Parameter leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A web-accessible backdoor, with resultant SSRF, exists in Tp-shop 2.0.5 through 2.0.8, which allows remote attackers to obtain sensitive information, attack intranet hosts, or possibly trigger remote command execution, because /vendor/phpdocumentor/reflection-docblock/tests/phpDocumentor/Reflection/DocBlock/Tag/LinkTagTeet.php writes data from the "down_url" URL into the "bddlj" local file if the attacker knows the backdoor "jmmy" parameter.

The bug was discovered 04/28/2018. The weakness was shared 05/02/2018 as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability was named CVE-2018-9919 since 04/10/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

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:vendor/phpdocumentor/reflection-docblock/tests/phpDocumentor/Reflection/DocBlock/Tag/LinkTagTeet.php 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.

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Productinfo

Name

Version

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: Server-side request forgery
CWE: CWE-918
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

04/10/2018 🔍
04/28/2018 +18 days 🔍
05/02/2018 +3 days 🔍
05/02/2018 +0 days 🔍
05/03/2018 +1 days 🔍
02/02/2020 +640 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2018-9919 (🔍)
GCVE (CVE): GCVE-0-2018-9919
GCVE (VulDB): GCVE-100-117334

Entryinfo

Created: 05/03/2018 08:36
Updated: 02/02/2020 10:23
Changes: 05/03/2018 08:36 (60), 02/02/2020 10:23 (1)
Complete: 🔍
Cache ID: 216::103

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