#VU10655 Memory corruption in Quagga - CVE-2018-5378

Vulnerability identifier: #VU10655

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5378

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Quagga
Server applications / Other server solutions

Vendor: quagga.net

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

The weakness exists in the Quagga BGP daemon due to failure to properly bounds check data sent with a NOTIFY to a peer by the Quagga BGP daemon, bgpd. A remote attacker can send specially crafted input and cause the bgpd process or the daemon to crash.

Mitigation
Update to version 1.2.3.

Vulnerable software versions

Quagga: 1.0.20160309 - 1.2.2

---

External links
https://savannah.nongnu.org/forum/forum.php?forum_id=9095

---

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.