CVE-2018-5803

MEDIUM

Description

In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash.

References

https://access.redhat.com/errata/RHSA-2018:1854

https://access.redhat.com/errata/RHSA-2018:2948

https://access.redhat.com/errata/RHSA-2018:3083

https://access.redhat.com/errata/RHSA-2018:3096

https://access.redhat.com/errata/RHSA-2019:0641

https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

https://secuniaresearch.flexerasoftware.com/advisories/81331/

https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/

https://usn.ubuntu.com/3654-1/

https://usn.ubuntu.com/3654-2/

https://usn.ubuntu.com/3656-1/

https://usn.ubuntu.com/3697-1/

https://usn.ubuntu.com/3697-2/

https://usn.ubuntu.com/3698-1/

https://usn.ubuntu.com/3698-2/

https://www.debian.org/security/2018/dsa-4187

https://www.debian.org/security/2018/dsa-4188

https://www.spinics.net/lists/linux-sctp/msg07036.html

https://www.spinics.net/lists/netdev/msg482523.html

Details

Source: MITRE

Published: 2018-06-12

Updated: 2019-03-27

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM