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CVE-2018-5803

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Date: June 12, 2018

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.

Language: C

Severity Score

Related Resources (31)

https://www.spinics.net/lists/netdev/msg482523.html
https://security-tracker.debian.org/tracker/CVE-2018-5803
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://access.redhat.com/errata/RHSA-2019:0641
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4188
https://secuniaresearch.flexerasoftware.com/advisories/81331/
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3697-2/
https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102
https://access.redhat.com/errata/RHSA-2018:3096
https://usn.ubuntu.com/3654-1/
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8
https://access.redhat.com/errata/RHSA-2018:2948
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-5803
https://access.redhat.com/security/cve/CVE-2018-5803
https://nvd.nist.gov/vuln/detail/CVE-2018-5803
https://access.redhat.com/errata/RHSA-2018:1854
https://usn.ubuntu.com/3656-1/
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87
https://usn.ubuntu.com/3698-2/
https://usn.ubuntu.com/3697-1/
https://access.redhat.com/errata/RHSA-2018:3083
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25
https://usn.ubuntu.com/3654-2/
https://www.spinics.net/lists/linux-sctp/msg07036.html
https://www.mend.io/vulnerability-database/CVE-2018-5803

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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