Out-of-bounds Read in Gnu Binutils

CVE-2017-9955

The get_build_id function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file in which a certain size field is larger than a corresponding data field, as demonstrated by mishandling within the objdump program.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/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

Frequently asked questions

What is CVE-2017-9955?
CVE-2017-9955 is a medium-severity vulnerability in Gnu Binutils, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-06-26.
How severe is CVE-2017-9955?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2017-9955 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.