USN-3573-1

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USN-3573-1

Summary: quagga vulnerabilities

Details: It was discovered that a double-free vulnerability existed in the Quagga BGP daemon when processing certain forms of UPDATE message. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2018-5379) It was discovered that the Quagga BGP daemon did not properly bounds check the data sent with a NOTIFY to a peer. An attacker could use this to expose sensitive information or possibly cause a denial of service. This issue only affected Ubuntu 17.10. (CVE-2018-5378) It was discovered that a table overrun vulnerability existed in the Quagga BGP daemon. An attacker in control of a configured peer could use this to possibly expose sensitive information or possibly cause a denial of service. (CVE-2018-5380) It was discovered that the Quagga BGP daemon in some configurations did not properly handle invalid OPEN messages. An attacker in control of a configured peer could use this to cause a denial of service (infinite loop). (CVE-2018-5381)

References: https://ubuntu.com/security/notices/USN-3573-1, https://ubuntu.com/security/CVE-2018-5378, https://ubuntu.com/security/CVE-2018-5379, https://ubuntu.com/security/CVE-2018-5380, https://ubuntu.com/security/CVE-2018-5381