Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-25211 First vendor Publication 2020-09-09
Vendor Cve Last vendor Modification 2020-10-28

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Overall CVSS Score 7.1
Base Score 7.1 Environmental Score 7.1
impact SubScore 5.2 Temporal Score 7.1
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:P)
Cvss Base Score 3.6 Attack Range Local
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25211

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3344

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20201009-0001/
DEBIAN https://www.debian.org/security/2020/dsa-4774
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://twitter.com/grsecurity/status/1303646421158109185
MLIST https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html

Alert History

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Date Informations
2020-10-28 21:23:33
  • Multiple Updates
2020-10-20 09:22:57
  • Multiple Updates
2020-10-09 17:22:56
  • Multiple Updates
2020-09-24 21:23:13
  • Multiple Updates
2020-09-23 00:22:55
  • Multiple Updates
2020-09-22 21:23:11
  • Multiple Updates
2020-09-16 21:23:16
  • Multiple Updates
2020-09-15 00:22:48
  • Multiple Updates
2020-09-09 21:23:09
  • First insertion