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CVE-2023-29451

CVE-2023-29451 · Denial of service caused by a bug in the JSON parser

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Specially crafted string can cause a buffer overrun in the JSON parser library leading to a crash of the Zabbix Server or a Zabbix Proxy.

CVSS 4.7 · Medium · EPSS 0.8% · Fix available

Published
Updated

Stack: system · applications

Affected products and versions

  • zabbix

    Versions
    • ≥ 6.0, ≤ 6.0.14: Affected; ≥ 6.0.15rc1: Not affected (git)
    • ≥ 6.2, ≤ 6.2.8: Affected; ≥ 6.2.9rc2: Not affected (git)
    • ≥ 6.4, ≤ 6.4.0: Affected; ≥ 6.4.1rc2: Not affected (git)
    • ≥ 7.0.0alpha1, ≤ 7.0.0alpha1: Affected; ≥ 7.0.0alpha1: Not affected (git)

    Update to 6.0.15rc1; Update to 6.2.9rc2; Update to 6.4.1rc2

  • zabbix Debian:12

    Versions
    • 1:6.0.14+dfsg-1
    • 1:6.0.23+dfsg-1
    • 1:6.0.23+dfsg-1~bpo12+1
    • 1:6.0.24+dfsg-1
    • 1:6.0.25+dfsg-1
    • 1:6.0.29+dfsg-1
    • 1:7.0.0+dfsg-1
    • 1:7.0.0+dfsg-2
    • 1:7.0.0+dfsg-2~bpo12+1
    • 1:7.0.1+dfsg-1
    • 1:7.0.1+dfsg-1~bpo12+1
    • 1:7.0.10+dfsg-1
    • 1:7.0.10+dfsg-2
    • 1:7.0.2+dfsg-1
    • 1:7.0.2+dfsg-1~bpo12+1
    • 1:7.0.22+dfsg-1
    • 1:7.0.22+dfsg-1.1
    • 1:7.0.22+dfsg-1~bpo13+1
    • 1:7.0.22+dfsg-1~deb13u1
    • 1:7.0.27+dfsg-1
    • 1:7.0.29+dfsg-1
    • 1:7.0.29+dfsg-2
    • 1:7.0.29+dfsg-2~bpo13+1
    • 1:7.0.3+dfsg-1
    • 1:7.0.5+dfsg-1
    • 1:7.0.5+dfsg-1~bpo12+1
    • 1:7.0.6+dfsg-1
    • 1:7.0.9+dfsg-1
    • 1:7.0.9+dfsg-1~bpo12+1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • zabbix Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:6.0.23+dfsg-1

    Update to 1:6.0.23+dfsg-1

  • zabbix Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:6.0.23+dfsg-1

    Update to 1:6.0.23+dfsg-1

Original sources

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