Out-of-Bounds Read in Gnu macOS (CVE-2022-29458)
Summary
Vulnerability in Gnu macOS (CVE-2022-29458). Confidential information can be exposed externally.
Original description
The description as published by the source.
ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library.
Source: NIST National Vulnerability Database NVD
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-2022-29458 has been found in Gnu macOS.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Gnu macOS CVE-2022-29458" on the vendor's site.
CVE-2022-29458 (Gnu macOS) — CWE-125 / CVSS v3 7.1
Attack vector: local / unauthenticated
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.
Out-of-bounds read (CWE-125) exists in Gnu macOS.
Check the vendor advisory for the affected versions of Gnu macOS.
Severity: High (CVSS 7.1/10). Confidential information can be exposed externally.
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 'macOS' . 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 'macOS' . | 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
macOS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-2022-29458 ncurses Fixed in: 6.2_p20210109-r1
- Debian DEBIAN-CVE-2022-29458 ncurses Fixed in: 6.2+20201114-2+deb11u1
References
- advisory github.com
- advisory nvd.nist.gov
- web seclists.org
- web seclists.org
- web lists.debian.org
- web lists.gnu.org
- web lists.gnu.org
- web support.apple.com