VDB-248787 · CVE-2023-42465 · Nessus 236576

sudo up to 1.9.14 Rowhammer improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in sudo up to 1.9.14. It has been rated as critical. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2023-42465. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in sudo up to 1.9.14 (Operating System Utility Software). This affects an unknown function. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/22/2023. It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2023-42465. Technical details are unknown but a public exploit is available.

The exploit is shared for download at arxiv.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 236576 (Alibaba Cloud Linux 3 : 0034: sudo (ALINUX3-SA-2024:0034)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.9.15 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7873f8334c8d31031f8cfa83bd97ac6029309e4f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (236576). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Operating System Utility Software

Name

sudo

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.0
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 236576
Nessus Name: Alibaba Cloud Linux 3 : 0034: sudo (ALINUX3-SA-2024:0034)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: sudo 1.9.15
Patch: 7873f8334c8d31031f8cfa83bd97ac6029309e4f

Timelineinfo

09/11/2023 🔍
12/21/2023 +101 days 🔍
12/22/2023 +0 days 🔍
11/06/2025 +685 days 🔍

Sourcesinfo

Advisory: 7873f8334c8d31031f8cfa83bd97ac6029309e4f
Status: Confirmed

CVE: CVE-2023-42465 (🔍)
GCVE (CVE): GCVE-0-2023-42465
GCVE (VulDB): GCVE-100-248787
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/22/2023 00:29
Updated: 11/06/2025 22:21
Changes: 12/22/2023 00:29 (44), 01/14/2024 15:50 (3), 01/14/2024 15:55 (11), 05/21/2025 19:30 (17), 11/06/2025 22:21 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.