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CVE-2021-40540

Good to know:

Date: September 6, 2021

ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests.

Language: C

Severity Score

9.8

Related Resources (6)

Url: http://packetstormsecurity.com/files/164152/Ulfius-Web-Framework-Remote-Memory-Corruption.html

Url: https://github.com/babelouest/ulfius/compare/v2.7.3...v2.7.4

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-40540

Url: https://github.com/babelouest/ulfius/commit/c83f564c184a27145e07c274b305cabe943bbfaa

Url: https://security-tracker.debian.org/tracker/CVE-2021-40540

Url: https://www.mend.io/vulnerability-database/CVE-2021-40540

Severity Score

9.8

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

Upgrade Version

Upgrade to version v2.7.4

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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