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Vulnerability Assessment

Weakness
CWE
CWE-17
Impact

CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 2.56%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 2.6% exploitation probability (EPSS)

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AnalysisAI

Zend Framework 1 (ZF1) before 1.12.4, Zend Framework 2 before 2.1.6 and 2.2.x before 2.2.6, ZendOpenId, ZendRest, ZendService_AudioScrobbler, ZendService_Nirvanix, ZendService_SlideShare,. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

composer zendframework/zendframework1 fix: 1.12.4
composer zendframework/zendopenid fix: 2.0.2
composer zendframework/zendrest fix: 2.0.2
composer zendframework/zendservice-amazon fix: 2.0.3
composer zendframework/zendservice-api fix: 1.0.0
composer zendframework/zendservice-audioscrobbler fix: 2.0.2
composer zendframework/zendservice-nirvanix fix: 2.0.2
composer zendframework/zendservice-slideshare fix: 2.0.2
composer zendframework/zendservice-technorati fix: 2.0.2
composer zendframework/zendservice-windowsazure fix: 2.0.2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 10 packages in composer

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Technical ContextAI · show details

This vulnerability is classified under CWE-17. Zend Framework 1 (ZF1) before 1.12.4, Zend Framework 2 before 2.1.6 and 2.2.x before 2.2.6, ZendOpenId, ZendRest, ZendService_AudioScrobbler, ZendService_Nirvanix, ZendService_SlideShare, ZendService_Technorati, and ZendService_WindowsAzure before 2.0.2, ZendService_Amazon before 2.0.3, and ZendService_Api before 1.0.0 allow remote attackers to cause a denial of service (CPU consumption) via (1) recursive or (2) circular references in an XML entity definition in an XML DOCTYPE declaration, aka an XML Entity Expansion (XEE) attack. NOTE: this issue exists because of an incomplete fix for CVE-2012-6532. Affected products include: Zend Zendrest, Zend Zend Framework, Zend Zendservice Slideshare, Zend Zendservice Api, Zend Zendservice Audioscrobbler. Version information: before 1.12.4.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P

DescriptionCVE.org

Zend Framework 1 (ZF1) before 1.12.4, Zend Framework 2 before 2.1.6 and 2.2.x before 2.2.6, ZendOpenId, ZendRest, ZendService_AudioScrobbler, ZendService_Nirvanix, ZendService_SlideShare, ZendService_Technorati, and ZendService_WindowsAzure before 2.0.2, ZendService_Amazon before 2.0.3, and ZendService_Api before 1.0.0 allow remote attackers to cause a denial of service (CPU consumption) via (1) recursive or (2) circular references in an XML entity definition in an XML DOCTYPE declaration, aka an XML Entity Expansion (XEE) attack. NOTE: this issue exists because of an incomplete fix for CVE-2012-6532.

Threat Intelligence Overview

EPSS Score
2.6%
Top 14% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 2.6%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +3
CVSS: +25
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:zend:zendrest:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_slideshare:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_api:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_audioscrobbler:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_amazon:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_technorati:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_windowsazure:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendopenid:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zendservice_nirvanix:*:*:*:*:*:*:*:*

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References

Advisories & patches
ADVISORY http://framework.zend.com/security/advisory/ZF2014-01 REF http://advisories.mageia.org/MGASA-2014-0151.html REF http://seclists.org/oss-sec/2014/q2/0 REF http://www.debian.org/security/2015/dsa-3265 REF http://www.mandriva.com/security/advisories?name=MDVSA-2014:072 REF http://www.securityfocus.com/bid/66358

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