Vulnerability CVE-2018-1000179
Published: 2018-05-08

Description:
A NULL Pointer Dereference of CWE-476 exists in quassel version 0.12.4 in the quasselcore void CoreAuthHandler::handle(const Login &msg) coreauthhandler.cpp line 235 that allows an attacker to cause a denial of service.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Quassel-irc -> Quassel 
Debian -> Debian linux 

 References:
https://github.com/quassel/quassel/blob/master/src/core/coreauthhandler.cpp#L236
https://security.gentoo.org/glsa/201806-04
https://www.debian.org/security/2018/dsa-4189
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