CVE-2017-7544 Information

Description

libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html https://sourceforge.net/p/libexif/bugs/130/ https://usn.ubuntu.com/4277-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1