Out-of-bounds Read in Gnu Binutils

CVE-2019-12972

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.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2019-12972?
CVE-2019-12972 is a medium-severity vulnerability in Gnu Binutils, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2019-06-26.
How severe is CVE-2019-12972?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-12972 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.