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-2019-3701 First vendor Publication 2019-01-03
Vendor Cve Last vendor Modification 2019-09-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 4.4
Base Score 4.4 Environmental Score 4.4
impact SubScore 3.6 Temporal Score 4.4
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None 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:N/A:C)
Cvss Base Score 4.9 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in can_can_gw_rcv in net/can/gw.c in the Linux kernel through 4.19.13. The CAN frame modification rules allow bitwise logical operations that can be also applied to the can_dlc field. The privileged user "root" with CAP_NET_ADMIN can create a CAN frame modification rule that makes the data length code a higher value than the available CAN frame data size. In combination with a configured checksum calculation where the result is stored relatively to the end of the data (e.g. cgw_csum_xor_rel) the tail of the skb (e.g. frag_list pointer in skb_shared_info) can be rewritten which finally can cause a system crash. Because of a missing check, the CAN drivers may write arbitrary content beyond the data registers in the CAN controller's I/O memory when processing can-gw manipulated outgoing frames.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3701

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2
Os 1
Os 3198

Nessus® Vulnerability Scanner

Date Description
2019-01-15 Name : The remote Fedora host is missing one or more security updates.
File : fedora_2019-337484d88b.nasl - Type : ACT_GATHER_INFO
2019-01-15 Name : The remote Fedora host is missing one or more security updates.
File : fedora_2019-b0f7a7b74b.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/106443
CONFIRM https://support.f5.com/csp/article/K17957133
MISC https://bugzilla.suse.com/show_bug.cgi?id=1120386
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=0aaa...
https://marc.info/?l=linux-netdev&m=154651842302479&w=2
https://marc.info/?l=linux-netdev&m=154661373531512&w=2
MLIST https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
UBUNTU https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/

Alert History

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Date Informations
2024-03-12 12:59:29
  • Multiple Updates
2024-02-02 02:07:30
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2024-02-01 12:18:20
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2023-12-29 01:57:26
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2023-11-22 01:56:50
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2023-09-05 13:01:58
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2023-09-05 01:18:01
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2023-09-02 13:01:08
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2023-09-02 01:18:17
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2023-08-12 13:05:18
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2023-08-12 01:17:38
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2023-08-11 12:58:50
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2023-08-11 01:18:12
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2023-08-06 12:57:07
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2023-08-06 01:17:32
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2023-08-04 12:57:27
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2023-08-04 01:17:44
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2023-07-14 12:57:24
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2023-07-14 01:17:39
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2023-06-06 12:50:58
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2023-03-29 01:58:41
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2023-03-28 12:17:56
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2023-01-25 01:47:49
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2022-10-11 12:51:14
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2022-10-11 01:17:30
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2022-09-09 01:47:24
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2022-03-11 01:43:36
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2022-02-01 01:39:41
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2021-12-11 12:40:52
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2021-12-11 01:38:15
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2021-08-19 12:35:15
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2021-05-25 12:33:28
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2021-05-04 13:32:54
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2021-04-22 02:47:06
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2021-03-27 01:30:30
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2020-12-12 12:26:44
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2020-12-05 12:28:21
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2020-09-25 01:25:51
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2020-08-11 12:25:44
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2020-08-08 01:25:30
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2020-08-07 12:25:59
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2020-08-07 01:26:45
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2020-08-01 12:25:34
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2020-07-30 01:26:27
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2020-05-23 02:29:55
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2019-09-12 12:11:16
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2019-09-03 09:19:29
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2019-07-02 15:40:09
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2019-06-21 12:09:55
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2019-06-15 12:10:39
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2019-05-15 17:19:11
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2019-05-03 17:18:41
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2019-04-25 00:19:05
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2019-04-24 12:08:49
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2019-04-12 21:19:08
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2019-04-05 00:19:04
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2019-04-03 09:19:29
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2019-04-02 05:18:43
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2019-03-29 09:19:03
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2019-03-28 00:19:06
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2019-02-16 12:09:08
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2019-02-12 12:04:59
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2019-01-04 17:20:00
  • Multiple Updates
2019-01-03 21:18:57
  • First insertion