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CVE-2023-49316

Good to know:

Date: November 26, 2023

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.

Language: PHP

Severity Score

7.5

Related Resources (7)

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-49316

Url: https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2023-49316.yaml

Url: https://github.com/phpseclib/phpseclib

Url: https://github.com/phpseclib/phpseclib/releases/tag/3.0.34

Url: https://github.com/advisories/GHSA-jpr7-q523-hx25

Url: https://github.com/phpseclib/phpseclib/commit/964d78101a70305df33f442f5490f0adb3b7e77f

Url: https://www.mend.io/vulnerability-database/CVE-2023-49316

Severity Score

7.5

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Excessive Iteration

CWE-834

Top Fix

Upgrade Version

Upgrade to version 3.0.34

CVSS v3.1

Base Score:	7.5
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

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