Vulnerability in OpenPrinting CUPS (CVE-2023-32324)
Summary
Vulnerability in OpenPrinting CUPS (CVE-2023-32324). Risk of unauthorized operations or information disclosure. Exploitable via format_log_line.
Original description
The description as published by the source.
OpenPrinting CUPS is an open source printing system. In versions 2.4.2 and prior, a heap buffer overflow vulnerability would allow a remote attacker to launch a denial of service (DoS) attack. A buffer overflow vulnerability in the function format_log_line could allow remote attackers to cause a DoS on the affected system. Exploitation of the vulnerability can be triggered when the configuration file cupsd.conf sets the value of loglevel to DEBUG. No known patches or workarounds exist at time of publication.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2023-32324 has been found in OpenPrinting CUPS.
Attackers can target a specific entry point like format_log_line over the network to misuse the product.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "OpenPrinting CUPS CVE-2023-32324" on the vendor's site.
CVE-2023-32324 (OpenPrinting CUPS) — CWE-122
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: format_log_line / cupsd.conf / DEBUG
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-122) exists in OpenPrinting CUPS. Attackers reach the vulnerable code path via format_log_line without authentication.
Check the vendor advisory for the affected versions of OpenPrinting CUPS. Attack surface: format_log_line / cupsd.conf / DEBUG.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで OpenPrinting CUPS を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2023-32324 cups Fixed in: 2.3.3-r7
- Debian DEBIAN-CVE-2023-32324 cups Fixed in: 2.3.3op2-3+deb11u3
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- web lists.debian.org