Out-of-bounds Read in GNU Binutils

CVE-2017-7304

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read (of size 8) because of missing a check (in the copy_special_section_fields function) for an invalid sh_link field before attempting to follow it. This vulnerability causes Binutils utilities like strip to crash.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2017-7304?
CVE-2017-7304 is a high-severity vulnerability in GNU Binutils, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-03-29.
How severe is CVE-2017-7304?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7304 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.