SB2019060622 - Memory leak in binutils-avr (Alpine package)



SB2019060622 - Memory leak in binutils-avr (Alpine package)

Published: June 6, 2019

Security Bulletin ID SB2019060622
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2018-20002)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists due to memory leak in the _bfd_generic_read_minisymbols function in syms.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils. A local attacker can send specially crafted ELF file, consume excessive resources and cause the service to crash.


Remediation

Install update from vendor's website.