Vulnerability in Apple Ipados (CVE-2022-40303)
Summary
Vulnerability in Apple Ipados (CVE-2022-40303). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
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-2022-40303 has been found in Apple Ipados.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Apple Ipados CVE-2022-40303" on the vendor's site.
CVE-2022-40303 (Apple Ipados) — CWE-190 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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-190) exists in Apple Ipados.
Check the vendor advisory for the affected versions of Apple Ipados.
Severity: High (CVSS 7.5/10). 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. Run grep -r 'Ipados' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Ipados' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Ipadosを grep し、稼働しているサービス・バージョンを把握する。 -
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-2022-40303 libxml2 Fixed in: 2.9.14-r2
- Debian DEBIAN-CVE-2022-40303 libxml2 Fixed in: 2.9.10+dfsg-6.7+deb11u3
References
- advisory gitlab.gnome.org
- advisory support.apple.com
- advisory support.apple.com
- advisory support.apple.com
- advisory support.apple.com
- advisory support.apple.com
- advisory seclists.org
- advisory seclists.org
- advisory seclists.org
- advisory seclists.org
- advisory security.netapp.com
- patch gitlab.gnome.org
- web nvd.nist.gov
- web security.netapp.com
- web seclists.org
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web cert-portal.siemens.com
- web github.com