CVE-2018-20030 : An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD

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.

Published 2019-02-20 17:29:01

Updated 2020-06-11 15:15:11

Source Flexera Software LLC

View at NVD, CVE.org

Products affected by CVE-2018-20030

Libexif Project » Libexif » Version: 0.6.21
cpe:2.3:a:libexif_project:libexif:0.6.21:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-20030

EPSS FAQ

0.71%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 80 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-20030

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-20030

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-20030

https://usn.ubuntu.com/4358-1/

USN-4358-1: libexif vulnerabilities | Ubuntu security notices

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html

[SECURITY] [DLA 2214-1] libexif security update

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html

[SECURITY] [DLA 2222-1] libexif security update

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html

[security-announce] openSUSE-SU-2020:0793-1: moderate: Security update f

CVEs referencing this url
https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89

Improve deep recursion detection in exif_data_load_data_content. · libexif/libexif@6aa11df · GitHub
Patch;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html

[security-announce] openSUSE-SU-2020:0264-1: moderate: Security update f

CVEs referencing this url
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/

Secunia Research Advisories | Flexera
Third Party Advisory

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Vulnerability Details : CVE-2018-20030

Products affected by CVE-2018-20030

Exploit prediction scoring system (EPSS) score for CVE-2018-20030

CVSS scores for CVE-2018-20030

CWE ids for CVE-2018-20030

References for CVE-2018-20030