Medium severity · published Jan 9, 2019
CVE-2018-1000408
A denial of service vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows…
6.5
CVSS
1.5%
EPSS
No
On KEV
Description
A denial of service vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows attackers without Overall/Read permission to access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
through 2.138.1; through 2.145 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000408
Third Party Advisory
http://www.securityfocus.com/bid/106532
Vendor Advisory
https://jenkins.io/security/advisory/2018-10-10/#SECURITY-1128
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