CVE-2023-38039

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

15/09/2023

Last modified:

01/04/2024

Description

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API. However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of headers and eventually cause curl to run out of heap memory.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:haxx:curl::::::::	7.84.0 (including)	8.3.0 (excluding)
cpe:2.3:o:fedoraproject:fedora:37:::::::*
cpe:2.3:o:fedoraproject:fedora:38:::::::*
cpe:2.3:o:fedoraproject:fedora:39:::::::*
cpe:2.3:o:microsoft:windows_10_1809::::::::		10.0.17763.5122 (excluding)
cpe:2.3:o:microsoft:windows_10_21h2::::::::		10.0.19044.3693 (excluding)
cpe:2.3:o:microsoft:windows_10_22h2::::::::		10.0.19045.3693 (excluding)
cpe:2.3:o:microsoft:windows_11_21h2::::::::		10.0.22000.2600 (excluding)
cpe:2.3:o:microsoft:windows_11_22h2::::::::		10.0.22621.2715 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2::::::::		10.0.22631.2715 (excluding)
cpe:2.3:o:microsoft:windows_server_2019::::::::		10.0.17763.5122 (excluding)
cpe:2.3:o:microsoft:windows_server_2022::::::::		10.0.20348.2113 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-38039

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools