YASM 1.3.0 nasm-pp new_Token memory leak

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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in YASM 1.3.0. This affects the function new_Token of the file modules/preprocs/nasm/nasm-pp. The manipulation leads to memory leak. This vulnerability is referenced as CVE-2023-51258. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in YASM 1.3.0. It has been rated as problematic. This issue affects the function new_Token of the file modules/preprocs/nasm/nasm-pp. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

A memory leak issue discovered in YASM v.1.3.0 allows a local attacker to cause a denial of service via the new_Token function in the modules/preprocs/nasm/nasm-pp:1512.

The weakness was published 01/18/2024. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-51258 since 12/18/2023. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 241925 (Azure Linux 3.0 Security Update: yasm (CVE-2023-51258)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (241925). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 241925
Nessus Name: Azure Linux 3.0 Security Update: yasm (CVE-2023-51258)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/18/2023 🔍
01/18/2024 +31 days 🔍
01/18/2024 +0 days 🔍
07/11/2025 +540 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-51258 (🔍)
GCVE (CVE): GCVE-0-2023-51258
GCVE (VulDB): GCVE-100-251495

Entryinfo

Created: 01/18/2024 22:29
Updated: 07/11/2025 15:44
Changes: 01/18/2024 22:29 (38), 02/12/2024 14:28 (11), 07/11/2025 15:44 (17)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!