Valve Half-Life up to 5433873 Parameters hl.exe buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Valve Half-Life up to 5433873. It has been classified as critical. This affects an unknown function of the file hl.exe of the component Parameters Handler. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2023-30382. No exploit exists.

Detailsinfo

A vulnerability was found in Valve Half-Life up to 5433873. It has been rated as critical. This issue affects an unknown code block of the file hl.exe of the component Parameters Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.

The weakness was disclosed 05/24/2023. It is possible to read the advisory at labs.jumpsec.com. The identification of this vulnerability is CVE-2023-30382 since 04/07/2023. Technical details of the vulnerability are known, but there is no available exploit.

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 EUVD (EUVD-2023-34802). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
05/24/2023 +47 days 🔍
05/24/2023 +0 days 🔍
12/23/2025 +944 days 🔍

Sourcesinfo

Advisory: labs.jumpsec.com
Status: Not defined

CVE: CVE-2023-30382 (🔍)
GCVE (CVE): GCVE-0-2023-30382
GCVE (VulDB): GCVE-100-229787
EUVD: 🔍

Entryinfo

Created: 05/24/2023 07:48
Updated: 12/23/2025 05:26
Changes: 05/24/2023 07:48 (39), 06/16/2023 17:36 (11), 01/18/2025 02:12 (26), 12/23/2025 05:26 (1)
Complete: 🔍
Cache ID: 216::103

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

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