CVE-2018-5378 Information disclosure in bgpd

What is CVE-2018-5378?

CVE-2018-5378 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 19 Feb 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Quagga BGP daemon (bgpd) prior to version 1.2.3 does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.

Weakness: CWE-119

Which versions are affected by CVE-2018-5378?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Quagga Quagga.

How do I fix CVE-2018-5378?

Upgrade to a fixed version.

Is CVE-2018-5378 being exploited?

There is no known exploitation of CVE-2018-5378 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CVE-2018-1000064, GHSA-529c-38p9-5c53.