Ubuntu update for quassel

Published: 2020-10-20 | Updated: 2025-04-23

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-1000178 CVE-2018-1000179
CWE-ID	CWE-122 CWE-476
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system quassel-core (Ubuntu package) Operating systems & Components / Operating system package or component quassel (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU12418

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-1000178

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow. A remote attacker can trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update the affected package quassel to the latest version.

Vulnerable software versions

Ubuntu: 18.04

quassel-core (Ubuntu package): before 1:0.12.4-3ubuntu1.18.04.3

quassel (Ubuntu package): before 1:0.12.4-3ubuntu1.18.04.3

CPE2.3

External links

https://ubuntu.com/security/notices/USN-4594-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU12419

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000179

CWE-ID: CWE-476 - NULL Pointer Dereference