CVE-2020-13114 : An issue was discovered in libexif before 0.6.22. An unrestricted size in handli

An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data.

Published 2020-05-21 16:15:11

Updated 2022-04-27 14:45:16

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-13114

Canonical » Ubuntu Linux » Version: 12.04
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 19.10
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 20.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions
Libexif Project » Libexif
Versions before (<) 0.6.22
cpe:2.3:a:libexif_project:libexif:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-13114

EPSS FAQ

0.23%

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

~ 60 %

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

CVSS scores for CVE-2020-13114

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/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-2020-13114

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-13114

https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html

[SECURITY] [DLA 2222-1] libexif security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/202007-05

libexif: Multiple vulnerabilities (GLSA 202007-05) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://github.com/libexif/libexif/commit/e6a38a1a23ba94d139b1fa2cd4519fdcfe3c9bab

Add a failsafe on the maximum number of Canon MakerNote subtags. · libexif/libexif@e6a38a1 · GitHub
Patch;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html

[security-announce] openSUSE-SU-2020:0793-1: moderate: Security update f
Mailing List;Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/4396-1/

USN-4396-1: libexif vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-13114

Products affected by CVE-2020-13114

Exploit prediction scoring system (EPSS) score for CVE-2020-13114

CVSS scores for CVE-2020-13114

CWE ids for CVE-2020-13114

References for CVE-2020-13114