Patchfirst
CVE-2023-39469 High · 7.2 EPSS 61.4%

PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability

PaperCut · NG

Summary

PaperCut NG contains a code injection flaw in its External User Lookup functionality, caused by a lack of validation of a user-supplied string before it is used to execute Java code. An attacker with network access and high-privilege authentication to the affected installation can exploit it to run arbitrary code in the context of SYSTEM, without any user interaction.

Official description · CVE.org

PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The specific flaw exists within the External User Lookup functionality. The issue results from the lack of proper validation of a user-supplied string before using it to execute Java code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-21013.

Breakdown
24.9 / 100
Exploited
Not confirmed
Reports
0
Tactics
0/15

Disclosed on 3 May 2024. No public exploit code or confirmed exploitation is recorded.

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

References

2 links, grouped by NVD tag
↑ ↓ chooseEnter openEsc close