CVE-2020-35448

low-risk
Published 2020-12-27

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.

Do I need to act?

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0.33% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Gnu Netapp

References (8)

Third Party Advisory https://security.gentoo.org/glsa/202107-24
Third Party Advisory https://security.netapp.com/advisory/ntap-20210129-0008/
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=26574
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=8642dafaef21aa6747c...
Third Party Advisory https://security.gentoo.org/glsa/202107-24
Third Party Advisory https://security.netapp.com/advisory/ntap-20210129-0008/
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=26574
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=8642dafaef21aa6747c...
21
/ 100
low-risk
Severity 13/34 · Low
Exploitability 1/34 · Minimal
Exposure 7/34 · Low