CVE-2016-4414 : The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 al

The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.

Published 2016-06-13 19:59:08

Updated 2018-10-30 16:27:36

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2016-4414

Fedoraproject » Fedora » Version: 24
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 22
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 23
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
Matching versions
Opensuse » Opensuse » Version: 13.2
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 42.1
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Matching versions
Quassel-irc » Quassel
Versions up to, including, (<=) 0.12.3
cpe:2.3:a:quassel-irc:quassel:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-4414

EPSS FAQ

3.60%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 92 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-4414

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2016-4414

http://www.openwall.com/lists/oss-security/2016/04/30/2

oss-security - CVE request - Quassel IRC denial of service
http://quassel-irc.org/node/129

Fixing Bugs - Quassel 0.12.4 | Quassel IRC
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html

[SECURITY] Fedora 23 Update: quassel-0.12.4-1.fc23
http://www.openwall.com/lists/oss-security/2016/04/30/4

oss-security - Re: CVE request - Quassel IRC denial of service
http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html

openSUSE-SU-2016:1314-1: moderate: Security update for quassel
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html

[SECURITY] Fedora 22 Update: quassel-0.12.4-1.fc22
https://github.com/quassel/quassel/commit/e678873

Handle invalid handshake data properly in the core · quassel/quassel@e678873 · GitHub
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html

[SECURITY] Fedora 24 Update: quassel-0.12.4-1.fc24

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Vulnerability Details : CVE-2016-4414

Products affected by CVE-2016-4414

Exploit prediction scoring system (EPSS) score for CVE-2016-4414

CVSS scores for CVE-2016-4414

References for CVE-2016-4414