CVE-2020-12866

Ubuntu Security Notice USN-4470-1

Severity Score

5.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.

Una desreferencia de puntero NULL en SANE Backends versiones anteriores a 1.0.30, permite a un dispositivo malicioso conectado a la misma red local que la víctima causar una denegación de servicio, GHSL-2020-079

Kritphong Mongkhonvanit discovered that sane-backends incorrectly handled certain packets. A remote attacker could possibly use this issue to obtain sensitive memory information. This issue only affected Ubuntu 16.04 LTS. It was discovered that sane-backends incorrectly handled certain memory operations. A remote attacker could possibly use this issue to execute arbitrary code. This issue only applied to Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-14 CVE Reserved
2020-06-24 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (5)

URL	Tag	Source
https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html	Mailing List

URL	Date	SRC
https://securitylab.github.com/advisories/GHSL-2020-075-libsane	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html	2022-11-21
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html	2022-11-21
https://usn.ubuntu.com/4470-1	2022-11-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sane-project Search vendor "Sane-project"		Sane Backends Search vendor "Sane-project" for product "Sane Backends"				< 1.0.30 Search vendor "Sane-project" for product "Sane Backends" and version " < 1.0.30"		-		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"				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
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		Affected