Out-of-bounds Read in GNU Binutils
CVE-2020-35448
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- GNU Binutils — versions 2.35.1
- NetApp Ontap Select Deploy Administration Utility
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- sourceware.org/git/gitweb.cgi
- security.netapp.com/advisory/ntap-20210129-0008/ (Third Party Advisory)
- security.gentoo.org/glsa/202107-24 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35448?
- CVE-2020-35448 is a low-severity vulnerability in GNU Binutils, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2020-12-27.
- How severe is CVE-2020-35448?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2020-35448 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.