Heap-based out-of-bounds read in Binutils - CVE-2018-20712
Published: January 21, 2019
Vulnerability identifier: #VU17102
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20712
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a heap-based buffer over-read in the function d_expression_1 in cp-demangle.c in GNU libiberty. A remote attacker can pass specially crafted data to the application, trigger segmentation faults and read contents of memory on the system.
Affected software
Binutils
Arch Linux
binutils-avr (Alpine package)
Arch Linux
binutils-avr (Alpine package)
How to mitigate CVE-2018-20712
Install update from vendor's website.