Out-of-bounds Read in GNU Binutils
CVE-2017-7300
The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has an aout_link_add_symbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read (off-by-one) because of an incomplete check for invalid string offsets while loading symbols, leading to a GNU linker (ld) program crash.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: +0.000
Affected products
- GNU Binutils — versions 2.28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/97219 (VDB Entry, Third Party Advisory, vdb-entry)
- sourceware.org/bugzilla/show_bug.cgi (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7300?
- CVE-2017-7300 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-2017-7300?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-7300 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.