CVE-2018-15120

Libpango 1.40.8 - Denial of Service (PoC)

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted text with invalid Unicode sequences.

libpango en Pango, desde la versión 1.40.8 hasta la 1.42.3, tal y como se emplea en hexcat y otros productos, permite que atacantes remotos provoquen una denegación de servicio (cierre inesperado de la aplicación) o, posiblemente, cualquier otro tipo de problema mediante texto manipulado con secuencias Unicode inválidas.

Libpango version 1.40.8 suffers from a denial of service vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-08-06 CVE Reserved
2018-08-22 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-10-19 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (10)

URL	Tag	Source
https://github.com/GNOME/pango/blob/1.42.4/NEWS	Release Notes
https://i.redd.it/v7p4n2ptu0s11.jpg	Third Party Advisory
https://www.reddit.com/r/PS4/comments/9o5efg/message_bricking_console_megathread	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/45263	2024-08-05
http://52.117.224.77/xfce4-pdos.webm	2024-08-05
https://www.ign.com/articles/2018/10/16/ps4s-are-reportedly-being-bricked-and-sony-is-working-on-a-fix	2024-08-05

URL	Date	SRC
https://github.com/GNOME/pango/commit/71aaeaf020340412b8d012fe23a556c0420eda5f	2021-07-14
https://mail.gnome.org/archives/distributor-list/2018-August/msg00001.html	2021-07-14

URL	Date	SRC
https://security.gentoo.org/glsa/201811-07	2021-07-14
https://usn.ubuntu.com/3750-1	2021-07-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnome Search vendor "Gnome"		Pango Search vendor "Gnome" for product "Pango"				>= 1.40.8 <= 1.42.3 Search vendor "Gnome" for product "Pango" and version " >= 1.40.8 <= 1.42.3"		-		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