PayPal Payments Standard input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in PayPal Payments Standard (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component Payments. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

PayPal Payments Standard PHP Library before 20120427 does not verify that the server hostname matches a domain name in the subject s Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to intentional disabling of certificate-validation checks through a "FALSE" value.

The weakness was released 11/04/2012 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-2012-5789 since 11/04/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

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 X-Force (79912). Entry connected to this vulnerability is available at 62837.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2012 🔍
11/04/2012 +0 days 🔍
11/04/2012 +0 days 🔍
11/08/2012 +4 days 🔍
03/24/2015 +866 days 🔍
02/06/2018 +1050 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2012-5789 (🔍)
X-Force: 79912 - PayPal Payments Standard PHP Library SSL spoofing
SecurityFocus: 56446 - eBay Payflow SDK SSL Certificate Validation Security Bypass Vulnerability
Secunia: 51192

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 02/06/2018 08:45
Changes: 03/24/2015 12:22 (52), 02/06/2018 08:45 (2)
Complete: 🔍

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