VDB-96584 · CVE-2017-5677 · ID 21165

PEAR HTML_AJAX up to 0.5.7 PHP Serializer input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in PEAR HTML_AJAX up to 0.5.7. This issue affects some unknown processing of the component PHP Serializer. Such manipulation leads to input validation. This vulnerability is traded as CVE-2017-5677. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in PEAR HTML_AJAX up to 0.5.7 and classified as critical. Affected by this issue is an unknown code block of the component PHP Serializer. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer. It allows remote code execution. In one viewpoint, the root cause is an incorrect regular expression.

The bug was discovered 02/06/2017. The weakness was shared 02/06/2017 by Egidio Romano as not defined mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2017-5677 since 02/01/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for 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 SecurityFocus (BID 96044†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

PEAR

Name

HTML_AJAX

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitweb.gentoo.org

Timelineinfo

02/01/2017 🔍
02/06/2017 +5 days 🔍
02/06/2017 +0 days 🔍
02/06/2017 +0 days 🔍
02/06/2017 +0 days 🔍
02/07/2017 +1 days 🔍
11/11/2022 +2103 days 🔍

Sourcesinfo

Advisory: 21165
Researcher: Egidio Romano
Status: Not defined

CVE: CVE-2017-5677 (🔍)
GCVE (CVE): GCVE-0-2017-5677
GCVE (VulDB): GCVE-100-96584
SecurityFocus: 96044
OSVDB: - CVE-2017-5677 - PEAR - HTML_AJAX - PHP Object Injection Issue

Entryinfo

Created: 02/06/2017 22:14
Updated: 11/11/2022 20:18
Changes: 02/06/2017 22:14 (56), 09/01/2020 07:27 (6), 11/11/2022 20:18 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.