CVE-2019-16159

High

Description

BIRD Internet Routing Daemon 1.6.x through 1.6.7 and 2.x through 2.0.5 has a stack-based buffer overflow. The BGP daemon's support for RFC 8203 administrative shutdown communication messages included an incorrect logical expression when checking the validity of an input message. Sending a shutdown communication with a sufficient message length causes a four-byte overflow to occur while processing the message, where two of the overflow bytes are attacker-controlled and two are fixed.

SeverityHigh
CVSS7.5
Exploit probability—
ProductNic Bird
PublishedSep 9, 2019
First seenSep 9, 2019

How to fix

Affected products

ProductAffected versionsFixed in
nic bird1.6.0 ≤ v ≤ 1.6.7, 2.0.0 ≤ v ≤ 2.0.5—
opensuse backports_sle15.0—
fedoraproject fedora29, 30—
debian debian_linux10.0—

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