cURL up to 8.3.x on Windows src/tool_cb_wrt.c tool_cb_wrt array index

HistoryDiffjsonxmlCTI

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.
5.3	$0-$5k	0.00

A vulnerability classified as problematic has been found in cURL up to 8.3.x on Windows (Network Utility Software). This affects the function tool_cb_wrt of the file src/tool_cb_wrt.c. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. The impact remains unknown. The summary by CVE is:

tiny-curl-8_4_0 , curl-8_4_0 and curl-8_5_0 were discovered to contain an off-by-one out-of-bounds array index via the component tool_cb_wrt.

The weakness was shared 01/30/2024 as 73980f9ace6c7577e7fcab8008bbde8a0a231692. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-52071 since 12/26/2023. Technical details are known, but no exploit is available.

Upgrading to version 8.4.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 73980f9ace6c7577e7fcab8008bbde8a0a231692 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The entries VDB-229250, VDB-229251, VDB-229252 and VDB-229253 are related to this item.

Productinfo

Type

Network Utility Software

Name

cURL

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: cURL 8.4.0
Patch: 73980f9ace6c7577e7fcab8008bbde8a0a231692

Timelineinfo

12/26/2023 CVE reserved
01/30/2024 +35 days Advisory disclosed
01/30/2024 +0 days VulDB entry created
02/21/2024 +22 days VulDB entry last update

Sourcesinfo

Advisory: 73980f9ace6c7577e7fcab8008bbde8a0a231692
Status: Confirmed

CVE: CVE-2023-52071 (🔒)
See also: 🔒

Entryinfo

Created: 01/30/2024 09:12
Updated: 02/21/2024 22:42
Changes: 01/30/2024 09:12 (45), 02/21/2024 22:42 (10)
Complete: 🔍
Cache ID: 3:343:103