CVE-2018-20030 Information

Description

An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89 https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/ https://usn.ubuntu.com/4358-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5