SibSoft Xfilesharing up to 2.5.1 cgi-bin/up.cgi HTML File unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability was found in SibSoft Xfilesharing up to 2.5.1. It has been rated as critical. Affected by this issue is some unknown functionality of the file cgi-bin/up.cgi. Performing a manipulation as part of HTML File results in unrestricted upload. This vulnerability is cataloged as CVE-2019-18952. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in SibSoft Xfilesharing up to 2.5.1. It has been classified as critical. This affects an unknown function of the file cgi-bin/up.cgi. The manipulation as part of a HTML File leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload. This can be combined with CVE-2019-18951 to achieve remote code execution via a .html file, containing short codes, that is served over HTTP.

The weakness was shared 11/13/2019. This vulnerability is uniquely identified as CVE-2019-18952 since 11/13/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

A public exploit has been developed by Noman Riffat and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (47659). The entry VDB-145508 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Noman Riffat
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2019 🔍
11/13/2019 +9 days 🔍
11/13/2019 +0 days 🔍
11/14/2019 +1 days 🔍
02/13/2024 +1552 days 🔍

Sourcesinfo

Advisory: 155324
Status: Not defined

CVE: CVE-2019-18952 (🔍)
GCVE (CVE): GCVE-0-2019-18952
GCVE (VulDB): GCVE-100-145509
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/14/2019 16:17
Updated: 02/13/2024 15:51
Changes: 11/14/2019 16:17 (36), 11/16/2019 17:58 (23), 02/13/2024 15:51 (8)
Complete: 🔍
Committer: misc
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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