Out-of-bounds write in Binutils - CVE-2021-3549
Published: January 7, 2022
Vulnerability identifier: #VU59295
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3549
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Binutils
Binutils
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in the objdump utility. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write by passing a large section to avr_elf32_load_records_from_section() function and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.