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CVE-2023-43667

HIGH

CVE-2023-43667 is a high-severity (CVSS 7.5) CWE-74 vulnerability in apache inlong. O3 Security detects and blocks CVE-2023-43667 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in Apache InLong.This issue affects Apache InLong: from 1.4.0 through…

Published
Oct 16, 2023
Updated
Jun 17, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed

Description

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in Apache InLong.This issue affects Apache InLong: from 1.4.0 through 1.8.0, the attacker can create misleading or false log records, making it harder to audit and trace malicious activities. Users are advised to upgrade to Apache InLong's 1.9.0 or cherry-pick [1] to solve it.

[1] https://github.com/apache/inlong/pull/8628

Affected Products

1 product · 1 configurations
Application
inlongapache
≥ 1.4.0 && ≤ 1.8.0
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every apache inlong deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Remediation status

    No patch has shipped for CVE-2023-43667 yet — track the apache inlong advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2023-43667 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2023-43667. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in Apache InLong.This issue affects Apache InLong: from 1.4.0 through 1.8.0, the attacker can create misleading or false log records, making it harder to audit and trace malicious activities. Users are advised to upgrade to Apache InLong's 1.9.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/8628
O3 Security · Runtime Protection

Is CVE-2023-43667 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2023-43667 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.