CVE-2020-13113

libexif: use of uninitialized memory in EXIF Makernote handling can lead to crashes and use-after-free

Severity Score

8.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

Se descubrió un problema en libexif versiones anteriores a la versión 0.6.22. Un uso de la memoria no inicializada en el manejo de EXIF Makemote podría conllevar a bloqueos y condiciones potenciales de uso de la memoria previamente liberada.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-16 CVE Reserved
2020-05-21 CVE Published
2024-08-04 CVE Updated
2024-09-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-822: Untrusted Pointer Dereference
CWE-908: Use of Uninitialized Resource

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f	2022-04-26

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html	2022-04-26
https://security.gentoo.org/glsa/202007-05	2022-04-26
https://usn.ubuntu.com/4396-1	2022-04-26
https://access.redhat.com/security/cve/CVE-2020-13113	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1840347	2020-11-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libexif Project Search vendor "Libexif Project"		Libexif Search vendor "Libexif Project" for product "Libexif"				< 0.6.22 Search vendor "Libexif Project" for product "Libexif" and version " < 0.6.22"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected