openpsa Form Data GET Request code injection

HistoryDiffrelatejsonxmlCTI

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in openpsa and classified as critical. This affects an unknown function of the component Form Data Handler. This manipulation as part of GET Request causes code injection. This vulnerability is handled as CVE-2018-1000525. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in openpsa (the affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Form Data Handler. The manipulation as part of a GET Request leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

openpsa contains a PHP Object Injection vulnerability in Form data passed as GET request variables that can result in Possible information disclosure and remote code execution. This attack appear to be exploitable via Specially crafted GET request variable containing serialised PHP object. This vulnerability appears to have been fixed in after commit 097eae0.

The bug was discovered 05/29/2018. The weakness was released 06/26/2018 (Website). The advisory is shared at 0dd.zone. This vulnerability is known as CVE-2018-1000525 since 06/22/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 097eae0 is able to eliminate this problem.

Entry connected to this vulnerability is available at VDB-119942. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

openpsa

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: 7.0
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
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 097eae0

Timelineinfo

05/29/2018 🔍
06/22/2018 +24 days 🔍
06/26/2018 +3 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
03/29/2023 +1736 days 🔍

Sourcesinfo

Advisory: 191
Status: Not defined

CVE: CVE-2018-1000525 (🔍)
GCVE (CVE): GCVE-0-2018-1000525
GCVE (VulDB): GCVE-100-119941
See also: 🔍

Entryinfo

Created: 06/27/2018 08:47
Updated: 03/29/2023 06:29
Changes: 06/27/2018 08:47 (59), 02/22/2020 11:32 (1), 03/29/2023 06:29 (4)
Complete: 🔍
Cache ID: 216::103

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