zephyrproject-rtos Zephyr up to 4.0 dns_pack.c dns_copy_qname lb_size out-of-bounds

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 zephyrproject-rtos Zephyr up to 4.0. It has been classified as problematic. Affected is the function dns_copy_qname of the file dns_pack.c. The manipulation of the argument lb_size leads to out-of-bounds. This vulnerability is referenced as CVE-2025-1675. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in zephyrproject-rtos Zephyr up to 4.0 and classified as problematic. This issue affects the function dns_copy_qname of the file dns_pack.c. The manipulation of the argument lb_size with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-1675 since 02/25/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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.

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Productinfo

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Version

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Website

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: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (zephyr): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

02/25/2025 🔍
02/25/2025 +0 days 🔍
02/25/2025 +0 days 🔍
02/25/2025 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-2m84-5hfw-m8v4
Status: Confirmed

CVE: CVE-2025-1675 (🔍)
GCVE (CVE): GCVE-0-2025-1675
GCVE (VulDB): GCVE-100-296735

Entryinfo

Created: 02/25/2025 10:17
Updated: 02/25/2025 10:20
Changes: 02/25/2025 10:17 (31), 02/25/2025 10:20 (35)
Complete: 🔍
Committer: sany
Cache ID: 216::103

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