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CVE-2020-25643

Published: Oct 6, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-20
NVD MITRE
7.2CVSSHIGH
EPSS Score
3.3%
Top 13.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux EnterpriseNovell Inc.
On-premOS
Operating Systems / linux-distro
red hat inc.commercialUSOperating Systemsaka red hat
canonical ltd.commercialGBOperating Systemsaka canonical
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
novell inc.commercialUSOperating Systems
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2020-26582
nvd.nist.gov
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
lists.opensuse.org
and 14 more references View all →

Timeline

Published
Oct 6, 2020
Last Updated
Nov 21, 2024

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