Papercut NG/MF up to 22.1.0 Script code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Papercut NG and MF up to 22.1.0. This vulnerability affects unknown code of the component Script Handler. The manipulation results in code injection. This vulnerability was named CVE-2023-39469. The attack may be performed from remote. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Papercut NG and MF up to 22.1.0. Affected is an unknown functionality of the component Script Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 08/31/2023 as ZDI-23-1285. The advisory is shared for download at zerodayinitiative.com. This vulnerability is traded as CVE-2023-39469 since 08/02/2023. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

It is declared as proof-of-concept.

Upgrading to version 22.1.1 eliminates this vulnerability. The upgrade is hosted for download at papercut.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NG/MF 22.1.1

Timelineinfo

08/02/2023 🔍
08/31/2023 +29 days 🔍
08/31/2023 +0 days 🔍
01/30/2025 +518 days 🔍

Sourcesinfo

Advisory: ZDI-23-1285
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-39469 (🔍)
GCVE (CVE): GCVE-0-2023-39469
GCVE (VulDB): GCVE-100-238428
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/31/2023 07:51
Updated: 01/30/2025 18:01
Changes: 08/31/2023 07:51 (43), 01/30/2025 18:01 (36)
Complete: 🔍
Cache ID: 216::103

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