Out-of-bounds Read in Elfutils Project

CVE-2018-16403

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.5th 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-2018-16403?
CVE-2018-16403 is a medium-severity vulnerability in Elfutils Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-09-03.
How severe is CVE-2018-16403?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-16403 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.