Heap-based buffer over-read in LibOFX - CVE-2017-14731
Published: May 7, 2018 / Updated: May 16, 2018
Vulnerability identifier: #VU12760
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-14731
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in ofx_proc_file in ofx_preproc.cpp due to a boundary error. A remote attacker can trick the victim into opening a specially crafted file, as demonstrated by an ofxdump call, trigger heap-based buffer over-read and cause the service to crash.
Affected software
LibOFX
Arch Linux
Gentoo Linux
Fedora
libofx
Arch Linux
Gentoo Linux
Fedora
libofx
How to mitigate CVE-2017-14731
Install update from vendor's website.
libofx - addressed in versions 0.9.9-2.el7, 0.9.10-5.fc26, 0.9.10-5.fc27, 0.9.10-6.fc28