Improper input validation in GNU Binutils

CVE-2017-7301

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has an aout_link_add_symbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker (ld) program crash.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.024 (82.3th 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-2017-7301?
CVE-2017-7301 is a high-severity vulnerability in GNU Binutils, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-03-29.
How severe is CVE-2017-7301?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7301 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.