Linux Kernel 3.15.8 SCTP sctp_assoc_update null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability, which was classified as critical, was found in Linux Kernel 3.15.8 (Operating System). This affects the function sctp_assoc_update of the component SCTP Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was disclosed 08/01/2014 by Prasad J Pandit as Bug 1122982 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2014-5077 since 07/24/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 79058 (RHEL 6 : kernel (RHSA-2014:1668)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195600 (Ubuntu Security Notification for Linux Vulnerabilities (USN-2334-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (95134) and Tenable (79058). Further details are available at bugzilla.redhat.com. The entries 67043, 34060, 43527 and 65958 are pretty similar.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
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CVSSv2info

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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 79058
Nessus Name: RHEL 6 : kernel (RHSA-2014:1668)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 867487
OpenVAS Name: Fedora Update for kernel FEDORA-2014-17283
OpenVAS File: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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0-Day Time: 🔍

Patch: 1be9a950c646c9092fb3618197f7b6bfb50e82aa

Timelineinfo

07/22/2014 🔍
07/22/2014 +0 days 🔍
07/24/2014 +2 days 🔍
07/27/2014 +3 days 🔍
08/01/2014 +5 days 🔍
08/01/2014 +0 days 🔍
08/06/2014 +5 days 🔍
08/07/2014 +1 days 🔍
09/04/2014 +28 days 🔍
11/08/2014 +65 days 🔍
02/10/2022 +2651 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 1122982
Researcher: Prasad J Pandit
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-5077 (🔍)
OVAL: 🔍

X-Force: 95134 - Linux Kernel SCTP denial of service, High Risk
SecurityTracker: 1030681 - Linux Kernel SCTP Null Pointer Dereference Lets Remote Users Deny Service
Vulnerability Center: 45605 - Linux Kernel Remote DoS due to Null Pointer Dereference in SCTP, Medium
SecurityFocus: 68881 - Linux Kernel SCTP NULL Pointer Dereference Denial of Service Vulnerability
Secunia: 59777 - Ubuntu update for kernel, Moderately Critical

Misc.: 🔍
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Entryinfo

Created: 08/07/2014 10:21
Updated: 02/10/2022 08:55
Changes: 08/07/2014 10:21 (85), 06/03/2017 07:28 (6), 02/10/2022 08:51 (4), 02/10/2022 08:55 (1)
Complete: 🔍

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