CVE-2020-35448
binutils: Heap-based buffer overflow in bfd_getl_signed_32() in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section() in elf.c
Severity Score
3.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se detectó un problema en la biblioteca Binary File Descriptor (BFD) (también se conoce como libbfd), distribuida en GNU Binutils versión 2.35.1. Una lectura excesiva de búfer en la región heap de la memoria puede ocurrir en la función bfd_getl_signed_32 en el archivo libbfd.c porque sh_entsize no está comprobado en la función _bfd_elf_slurp_secondary_reloc_section en el archivo elf.c
*Credits:
N/A
CVSS Scores
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Scope
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Attack Vector
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Confidentiality
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-14 CVE Reserved
- 2020-12-27 CVE Published
- 2023-09-11 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-125: Out-of-bounds Read
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20210129-0008 | Third Party Advisory |
|
| https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=8642dafaef21aa6747cec01df1977e9c52eb4679 | X_refsource_misc |
| URL | Date | SRC |
|---|---|---|
| https://sourceware.org/bugzilla/show_bug.cgi?id=26574 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202107-24 | 2023-11-07 | |
| https://access.redhat.com/security/cve/CVE-2020-35448 | 2021-11-09 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1950478 | 2021-11-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gnu Search vendor "Gnu" | Binutils Search vendor "Gnu" for product "Binutils" | 2.35.1 Search vendor "Gnu" for product "Binutils" and version "2.35.1" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Ontap Select Deploy Administration Utility Search vendor "Netapp" for product "Ontap Select Deploy Administration Utility" | - | - |
Affected
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