CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew   www.itsecdb.com  

Vulnerability Details : CVE-2020-25705

A flaw in the way reply ICMP packets are limited in the Linux kernel functionality was found that allows to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well. Kernel versions before 5.10 may be vulnerable to this issue.
Publish Date : 2020-11-17 Last Update Date : 2020-12-18
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 330

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:0537: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20210537 unix
RHSA-2021:0558: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20210558 unix
RHSA-2021:0856: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20210856 unix
RHSA-2021:0857: kernel-rt security and bug fix update (Important) oval:com.redhat.rhsa:def:20210857 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-25705

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Redhat Enterprise Linux 2

- References For CVE-2020-25705

https://bugzilla.redhat.com/show_bug.cgi?id=1894579
https://security.netapp.com/advisory/ntap-20201210-0002/ CONFIRM
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
MLIST [debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
MLIST [debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update

- Metasploit Modules Related To CVE-2020-25705

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.