CVE-2017-7544

critical

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.

References

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/

Details

Source: MITRE

Published: 2017-09-21

Updated: 2020-06-11

Type: CWE-125

Risk Information

CVSS v2

Base Score: 6.4

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

Impact Score: 4.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 9.1

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

Impact Score: 5.2

Exploitability Score: 3.9

Severity: CRITICAL