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CVE-2014-9403

Date: December 19, 2014

The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.

Language: C++

Severity Score

Related Resources (11)

http://www.securityfocus.com/bid/66926
https://github.com/znc/znc/issues/528
http://secunia.com/advisories/57795
https://security-tracker.debian.org/tracker/CVE-2014-9403
http://www.mandriva.com/security/advisories?name=MDVSA-2015:013
http://www.openwall.com/lists/oss-security/2014/12/18/2
https://github.com/znc/znc/blob/master/ChangeLog.md
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-9403
http://advisories.mageia.org/MGASA-2014-0543.html
https://nvd.nist.gov/vuln/detail/CVE-2014-9403
https://www.mend.io/vulnerability-database/CVE-2014-9403

Severity Score

CVSS v3.1

Base Score:
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): LOW

CVSS v2

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

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