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CVE-2018-16860 · cross-distro fix matrix

CVE-2018-16860: A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (pr

Affects 8 Linux releases across 16 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-16860 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • heimdal→ fixed in7.5.0+dfsg-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y heimdal
  • samba→ fixed in2:4.9.5+dfsg-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y samba

Debian bookworm

Source: Debian Security Tracker

  • heimdal→ fixed in7.5.0+dfsg-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y heimdal
  • samba→ fixed in2:4.9.5+dfsg-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y samba

Debian trixie

Source: Debian Security Tracker

  • heimdal→ fixed in7.5.0+dfsg-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y heimdal
  • samba→ fixed in2:4.9.5+dfsg-4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y samba

Alpine v3.20

Source: Alpine secdb

  • heimdal→ fixed in7.5.3-r4
    apk update && apk add --upgrade heimdal
  • samba→ fixed in4.10.3-r0
    apk update && apk add --upgrade samba

Alpine v3.21

Source: Alpine secdb

  • heimdal→ fixed in7.5.3-r4
    apk update && apk add --upgrade heimdal
  • samba→ fixed in4.10.3-r0
    apk update && apk add --upgrade samba

Alpine edge

Source: Alpine secdb

  • heimdal→ fixed in7.5.3-r4
    apk update && apk add --upgrade heimdal
  • samba→ fixed in4.10.3-r0
    apk update && apk add --upgrade samba

Alpine v3.18

Source: Alpine secdb

  • heimdal→ fixed in7.5.3-r4
    apk update && apk add --upgrade heimdal
  • samba→ fixed in4.10.3-r0
    apk update && apk add --upgrade samba

Alpine v3.19

Source: Alpine secdb

  • heimdal→ fixed in7.5.3-r4
    apk update && apk add --upgrade heimdal
  • samba→ fixed in4.10.3-r0
    apk update && apk add --upgrade samba
Are YOU affected by CVE-2018-16860?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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