#VU29110 Out-of-bounds read in libexif - CVE-2017-7544
Published: June 17, 2020
Vulnerability identifier: #VU29110
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7544
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libexif
libexif
Software vendor:
libexif.sourceforge.net
libexif.sourceforge.net
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper length computation of the allocated data of an ExifMnote entry within the exif_data_save_data_entry() function in libexif/exif-data.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.