#VU12418 Heap-based buffer overflow in Quassel - CVE-2018-1000178

Vulnerability identifier: #VU12418

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Quassel
Web applications / Forum & blogging software

Vendor: Quassel IRC Team

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 to version 0.12.5.

Vulnerable software versions

Quassel: 0.12.4

---

External links
https://www.openwall.com/lists/oss-security/2018/04/27/1

---

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.