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Debian Security Advisory DSA 3859-1 (dropbear - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Two vulnerabilities were found in Dropbear, a lightweight SSH2 server and client: CVE-2017-9078 Mark Shepard discovered a double free in the TCP listener cleanup which could result in denial of service by an authenticated user if Dropbear is running with the '-a' option. CVE-2017-9079 Jann Horn discovered a local information leak in parsing the .authorized_keys file.
Affected Software
Affected Software
dropbear on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), these problems have been fixed in version 2014.65-1+deb8u2. For the unstable distribution (sid), these problems will be fixed soon. We recommend that you upgrade your dropbear packages.