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Debian Security Advisory DSA 4528-1 (bird - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'bird' package(s) announced via the DSA-4528-1 advisory.
Insight
Insight
Daniel McCarney discovered that the BIRD internet routing daemon incorrectly validated RFC 8203 messages in it's BGP daemon, resulting in a stack buffer overflow.
Affected Software
Affected Software
'bird' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 1.6.6-1+deb10u1. In addition this update fixes an incomplete revocation of privileges and a crash triggerable via the CLI (the latter two bugs are also fixed in the oldstable distribution (stretch) which is not affected by CVE-2019-16159). We recommend that you upgrade your bird packages.