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CVE-2019-12312 · cross-distro fix matrix

CVE-2019-12312: In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKE_SA_INIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKE_AUTH exchange. This affects send_v2N_spi_res

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-12312 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan

Debian bookworm

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan

Debian trixie

Source: Debian Security Tracker

  • libreswan→ fixed in3.27-5urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libreswan

Alpine v3.20

Source: Alpine secdb

  • libreswan→ fixed in3.28-r0
    apk update && apk add --upgrade libreswan

Alpine v3.21

Source: Alpine secdb

  • libreswan→ fixed in3.28-r0
    apk update && apk add --upgrade libreswan

Alpine edge

Source: Alpine secdb

  • libreswan→ fixed in3.28-r0
    apk update && apk add --upgrade libreswan

Alpine v3.18

Source: Alpine secdb

  • libreswan→ fixed in3.28-r0
    apk update && apk add --upgrade libreswan

Alpine v3.19

Source: Alpine secdb

  • libreswan→ fixed in3.28-r0
    apk update && apk add --upgrade libreswan
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