Out-of-bounds Read in GNU Binutils
CVE-2017-7302
The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a swap_std_reloc_out function in bfd/aoutx.h that is vulnerable to an invalid read (of size 4) because of missing checks for relocs that could not be recognised. This vulnerability causes Binutils utilities like strip to crash.
Vulnerability class: Buffer Overflow
EPSS: 0.024 (82.1th 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
- Gnu Binutils — versions 2.28
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)
- cve@mitre.org (Patch, VDB Entry, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-7302?
- CVE-2017-7302 is a high-severity vulnerability in GNU Binutils, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-03-29.
- How severe is CVE-2017-7302?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-7302 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.