Out-of-Bounds Read in Gnu Binary File Descriptor (BFD) library (CVE-2019-12972)
Summary
Vulnerability in Gnu Binary File Descriptor (BFD) library (CVE-2019-12972). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.32. There is a heap-based buffer over-read in _bfd_doprnt in bfd.c because elf_object_p in elfcode.h mishandles an e_shstrndx section of type SHT_GROUP by omitting a trailing '\0' character.
Source: NIST National Vulnerability Database 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-2019-12972 has been found in Gnu Binary File Descriptor (BFD) library.
Risk of unauthorized operations or information disclosure. CVSS score: 5.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Gnu Binary File Descriptor (BFD) library CVE-2019-12972" on the vendor's site.
CVE-2019-12972 (Gnu Binary File Descriptor (BFD) library) — CWE-125 / CVSS v3 5.5
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 Binary File Descriptor (BFD) library.
Check the vendor advisory for the affected versions of Gnu Binary File Descriptor (BFD) library.
Severity: Medium (CVSS 5.5/10). 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. 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 Gnu Binary File Descriptor (BFD) library 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。
References
- advisory usn.ubuntu.com
- web lists.opensuse.org
- web lists.opensuse.org
- web securityfocus.com
- web security.gentoo.org
- web sourceware.org
- web sourceware.org
- web nvd.nist.gov
- web sourceware.org
- web usn.ubuntu.com
- web github.com