What is the severity of CVE-2023-52071?

CVE-2023-52071 is classified as a critical vulnerability due to its potential to execute arbitrary code and cause denial of service.

How do I fix CVE-2023-52071?

To fix CVE-2023-52071, upgrade to cURL version 8.4.1 or later, or version 8.5.1 or later.

What versions of cURL are affected by CVE-2023-52071?

CVE-2023-52071 affects cURL versions 8.4.0 and 8.5.0, as well as Tiny Curl version 8.4.0.

What type of vulnerability is CVE-2023-52071?

CVE-2023-52071 is a stack-based buffer overflow vulnerability caused by improper bounds checking.

Can CVE-2023-52071 be exploited remotely?

Yes, CVE-2023-52071 can be exploited remotely by sending a specially crafted request to the affected cURL versions.

Vulnerability/
CVE-2023-52071

critical

9.8

CWE

129 119

1/1/1970

30/1/2024

23/2/2024

20/3/2024

CVE-2023-52071: Out-of-bounds Read

First published: Tue Jan 30 2024(Updated: )

cURL libcurl is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the tool_cb_wrt component. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code or cause a denial of service condition on the system.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
curl	=8.4.0
curl	=8.5.0
Curl Tiny Curl	=8.4.0

Remedy

https://github.com/curl/curl/commit/73980f9ace6c7577e7fcab8008bbde8a0a231692

Remedy

https://github.com/curl/curl/commit/af3f4e41#r127212213

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-7144861

Frequently Asked Questions

What is the severity of CVE-2023-52071?
CVE-2023-52071 is classified as a critical vulnerability due to its potential to execute arbitrary code and cause denial of service.
How do I fix CVE-2023-52071?
To fix CVE-2023-52071, upgrade to cURL version 8.4.1 or later, or version 8.5.1 or later.
What versions of cURL are affected by CVE-2023-52071?
CVE-2023-52071 affects cURL versions 8.4.0 and 8.5.0, as well as Tiny Curl version 8.4.0.
What type of vulnerability is CVE-2023-52071?
CVE-2023-52071 is a stack-based buffer overflow vulnerability caused by improper bounds checking.
Can CVE-2023-52071 be exploited remotely?
Yes, CVE-2023-52071 can be exploited remotely by sending a specially crafted request to the affected cURL versions.

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version/curl tiny curl/8.4.0

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