Heap-based buffer overflow in Binutils - CVE-2018-19931
Published: December 7, 2018 / Updated: December 10, 2018
Vulnerability identifier: #VU16338
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2018-19931
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to heap-based buffer overflow in the bfd_elf32_swap_phdr_in function, as defined in the elfcode.h source code file when handling malicious input. A local attacker can supply a specially crafted file that may trigger memory corruption and cause the service to crash.
Affected software
Binutils
Arch Linux
binutils-avr (Alpine package)
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
Arch Linux
binutils-avr (Alpine package)
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
How to mitigate CVE-2018-19931
Update to version 2.31.1.
Binutils - update to 2.31.1
Dell EMC Unity Operating Environment (OE) - update to 5.0.3.0.5.014
Dell EMC Unity VSA Operating Environment (OE) - update to 5.0.3.0.5.014
Dell EMC Unity Operating Environment (OE) - update to 5.0.3.0.5.014
Dell EMC Unity VSA Operating Environment (OE) - update to 5.0.3.0.5.014