Memory corruption in Quagga - CVE-2017-5495
Published: February 16, 2018 / Updated: February 19, 2018
Vulnerability identifier: #VU10615
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: CVE-2017-5495
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to unbounded memory allocation in the telnet 'vty' CLI. A remote attacker able to connect to the TCP ports can send very long strings without a newline, cause the Quagga daemon to allocate unbounded memory and system crash.
The weakness exists due to unbounded memory allocation in the telnet 'vty' CLI. A remote attacker able to connect to the TCP ports can send very long strings without a newline, cause the Quagga daemon to allocate unbounded memory and system crash.
Affected software
Quagga
Debian Linux
SUSE OpenStack Cloud
SUSE Linux
Ubuntu
Fedora
quagga (Alpine package)
quagga
Debian Linux
SUSE OpenStack Cloud
SUSE Linux
Ubuntu
Fedora
quagga (Alpine package)
quagga
How to mitigate CVE-2017-5495
Update to version 1.1.
quagga (Alpine package) - update to 1.1.1-r0
quagga - addressed in versions 0.99.24.1-5.fc24, 0.99.24.1-5.fc25
quagga - addressed in versions 0.99.24.1-5.fc24, 0.99.24.1-5.fc25
External References
Related Security Bulletins
- Debian update for quagga
- Ubuntu update for Quagga
- Multiple vulnerabilities in Quagga
- SUSE Linux update for quagga
- SUSE Linux update for quagga
- SUSE Linux update for quagga
- Ubuntu update for Quagga
- SUSE Linux update for quagga
- Memory corruption in quagga (Alpine package)
- Fedora 24 update for quagga
- Fedora 25 update for quagga