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CVE-2020-13775

Date: June 2, 2020

ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

Language: C++

Severity Score

6.5

Related Resources (11)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/

Url: https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13775

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/

Url: https://security-tracker.debian.org/tracker/CVE-2020-13775

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-13775

Url: https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8

Url: https://security.alpinelinux.org/vuln/CVE-2020-13775

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/

Url: https://www.mend.io/vulnerability-database/CVE-2020-13775

Severity Score

6.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	3.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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