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CVE-2021-34555

Date: June 10, 2021

OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.

Language: C

Severity Score

7.5

Related Resources (11)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MAT4ZSWPQ5SUTMYCXRXI5SMTWL4AG7E/

Url: https://github.com/trusteddomainproject/OpenDMARC/pull/178

Url: https://security.alpinelinux.org/vuln/CVE-2021-34555

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-34555

Url: https://security-tracker.debian.org/tracker/CVE-2021-34555

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MAT4ZSWPQ5SUTMYCXRXI5SMTWL4AG7E/

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-34555

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZHZD4WZDYRBB2XVW2EQ4DQ2KYMAGPUO/

Url: https://github.com/trusteddomainproject/OpenDMARC/issues/179

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZHZD4WZDYRBB2XVW2EQ4DQ2KYMAGPUO/

Url: https://www.mend.io/vulnerability-database/CVE-2021-34555

Severity Score

7.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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