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
EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Gnu Binutils — versions 2.35.1
- Netapp Ontap_select_deploy_administration_utility
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
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.