Improper input validation in Gnu Binutils

CVE-2018-7208

In the coff_pointerize_aux function in coffgen.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, an index is not validated, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted file, as demonstrated by objcopy of a COFF object.

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

EPSS: 0.023 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_SUSE)
  • cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2018-7208?
CVE-2018-7208 is a high-severity vulnerability in Gnu Binutils, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2018-02-18.
How severe is CVE-2018-7208?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-7208 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.