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Jenkins CVE-2024-47804

MEDIUM
Access of Resource Using Incompatible Type (Type Confusion) (CWE-843)
2024-10-02 jenkinsci-cert@googlegroups.com
Authentication Bypass Jenkins Memory Corruption
4.3
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Oct 02, 2024 - 16:15 nvd
MEDIUM 4.3

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 1 maven packages depend on org.jenkins-ci.main:jenkins-core (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 2.466.

DescriptionNVD

If an attempt is made to create an item of a type prohibited by ACL#hasCreatePermission2 or TopLevelItemDescriptor#isApplicableIn(ItemGroup) through the Jenkins CLI or the REST API and either of these checks fail, Jenkins 2.478 and earlier, LTS 2.462.2 and earlier creates the item in memory, only deleting it from disk, allowing attackers with Item/Configure permission to save the item to persist it, effectively bypassing the item creation restriction.

AnalysisAI

If an attempt is made to create an item of a type prohibited by ACL#hasCreatePermission2 or TopLevelItemDescriptor#isApplicableIn(ItemGroup) through the Jenkins CLI or the REST API and either of. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Access of Resource Using Incompatible Type (Type Confusion) (CWE-843), which allows attackers to execute arbitrary code by exploiting type confusion in the application. If an attempt is made to create an item of a type prohibited by ACL#hasCreatePermission2 or TopLevelItemDescriptor#isApplicableIn(ItemGroup) through the Jenkins CLI or the REST API and either of these checks fail, Jenkins 2.478 and earlier, LTS 2.462.2 and earlier creates the item in memory, only deleting it from disk, allowing attackers with Item/Configure permission to save the item to persist it, effectively bypassing the item creation restriction. Affected products include: Jenkins.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Enforce strict type checking, use type-safe languages, validate object types before operations.

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CVE-2024-47804 vulnerability details – vuln.today
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