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.

CVSS v3.1

3.3 LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS

1.22% chance of exploitation in the next 30 days, 67th percentile

Published

2020-12-27

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://sourceware.org/bugzilla/show_bug.cgi?id=26574

References

• CVE Record
• NVD entry

Related

• CVE-2020-35437
• CVE-2020-35460
• CVE-2020-35430
• CVE-2020-35476
• CVE-2020-35427
• CVE-2020-35488