Vulnerability CVE-2018-5803

Vulnerability CVE-2018-5803

Published: 2018-06-12

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.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score	Impact Subscore	Exploitability Subscore
4.9/10	6.9/10	3.9/10

Exploit range	Attack complexity	Authentication
Local	Low	No required
Confidentiality impact	Integrity impact	Availability impact
None	None	Complete

Affected software
Redhat -> Virtualization host
Redhat -> Enterprise linux desktop
Redhat -> Enterprise linux server
Redhat -> Enterprise linux workstation
Linux -> Linux kernel
Debian -> Debian linux

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

Vulnerability CVE-2018-5803

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.

CWE-20

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

4.9/10

6.9/10

3.9/10

Local

Low

No required

None

None

Complete

Affected software

References: