CVE-2020-36329

libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró un uso de la memoria previamente liberada debido a que un subproceso se eliminó demasiado pronto. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, así como la disponibilidad del sistema

A flaw was found in libwebp. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-04 CVE Reserved
2021-05-21 CVE Published
2024-02-04 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (8)

URL	Tag	Source
http://seclists.org/fulldisclosure/2021/Jul/54	Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html	Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html	Mailing List
https://security.netapp.com/advisory/ntap-20211112-0001	Third Party Advisory
https://support.apple.com/kb/HT212601	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1956843	2021-06-09

URL	Date	SRC
https://www.debian.org/security/2021/dsa-4930	2023-01-09
https://access.redhat.com/security/cve/CVE-2020-36329	2021-06-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Webmproject Search vendor "Webmproject"		Libwebp Search vendor "Webmproject" for product "Libwebp"				< 1.0.1 Search vendor "Webmproject" for product "Libwebp" and version " < 1.0.1"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Netapp Search vendor "Netapp"		Ontap Select Deploy Administration Utility Search vendor "Netapp" for product "Ontap Select Deploy Administration Utility"				-		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 14.7 Search vendor "Apple" for product "Ipados" and version " < 14.7"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 14.7 Search vendor "Apple" for product "Iphone Os" and version " < 14.7"		-		Affected