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CVE-2019-18625 · cross-distro fix matrix

CVE-2019-18625: An issue was discovered in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to inject a RST ACK and a FIN ACK packet with a bad TCP Timestamp option. The client will ignore the RST AC

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-18625 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian bookworm

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata

Debian trixie

Source: Debian Security Tracker

  • suricata→ fixed in1:5.0.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y suricata
Are YOU affected by CVE-2019-18625?

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