CVE-2023-43494

4.3MEDIUM

Key Information:

Vendor
Jenkins
Status
Jenkins
Vendor
CVE Published:
20 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Jenkins 2.50 through 2.423 (both inclusive), LTS 2.60.1 through 2.414.1 (both inclusive) does not exclude sensitive build variables (e.g., password parameter values) from the search in the build history widget, allowing attackers with Item/Read permission to obtain values of sensitive variables used in builds by iteratively testing different characters until the correct sequence is discovered.

Affected Version(s)

Jenkins 0

Jenkins 0 < 2.50

Jenkins 2.424

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-43494
Created by mqxmm

References

https://www.jenkins.io/security/advisory/2023-09-20/#SECU...
vendor-advisory
http://www.openwall.com/lists/oss-security/2023/09/20/5

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.