Vulnerability identifier: #VU6955

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9469

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Irssi
Client/Desktop applications / Messaging software

Vendor: Irssi.org

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to out-of-bounds memory error. A remote attacker can send specially crafted incorrectly quoted DCC files and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Update to version 1.0.3.

Vulnerable software versions

Irssi: 0.8.0 - 1.0.2

---

External links
http://irssi.org/security/irssi_sa_2017_06.txt

---

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.